The fourth proportional to 3.6, 4.2 and 5.4 is ?
Answer & explanation
Correct answer: option 4
Let the fourth proportional be d.
Proportions a:b = c:d
Therefore, \(\frac{3.6}{4.2}\) = \(\frac{5.4}{d}\)
d = \(\frac{5.4 x 4.2}{3.6}\)
d = 6.3
The fourth proportional to 3.6, 4.2 and 5.4 is ?
Correct answer: option 4
Let the fourth proportional be d.
Proportions a:b = c:d
Therefore, \(\frac{3.6}{4.2}\) = \(\frac{5.4}{d}\)
d = \(\frac{5.4 x 4.2}{3.6}\)
d = 6.3