WBCS.LIVE practice question

Find the fourth proportional to 2, 3, 6.

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 9
  2. 10
  3. 7
  4. 8

Correct answer and explanation

Correct answer: 9

Explanation: āœ… Correct Answer: A. 9 šŸ“š Explanation: Let the fourth proportional be 'x'. According to the rule of proportion: 2/3 = 6/x. Multiplying diagonally: 2x = 18. Solving for x: 18 / 2 = 9. This mathematical rule is used to find the missing term when three numbers in a sequence are given.