What is the fourth proportional to 2, 6, 4?
Show answer & explanation
Correct answer: B
Explanation
Given:
2, 6, 4
By the formula:
a : b = c : d
2 : 6 = 4 : x
2/6 = 4/x
2x = 24
x = 12
SSC CHSL - 22 Nov 2025 - Shift 2 • Quantitative Aptitude • Q73
What is the fourth proportional to 2, 6, 4?
Correct answer: B
Explanation
Given:
2, 6, 4
By the formula:
a : b = c : d
2 : 6 = 4 : x
2/6 = 4/x
2x = 24
x = 12