Finding the Fourth Proportional to 4.30, 5.92 and 4
Calculator
Solution
The fourth proportional to 4.30, 5.92 and 4 is: 5.51
Step by Step Solution
- Step 1: Write the proportion equation
4.30 : 5.92 = 4 : x - Step 2: Convert to fraction form
4.30/5.92 = 4/x - Step 3: Cross multiply
4.30x = 5.92 × 4 - Step 4: Simplify right side
4.30x = 23.68 - Step 5: Solve for x
x = 23.68/4.30 - Step 6: Final answer
x = 5.51
Related Problems
Find fourth proportional to 2.15, 2.96 and 2
Half scale
Find fourth proportional to 8.60, 11.84 and 8
Double scale
Find fourth proportional to 5.30, 7.30 and 5
Similar ratio
Find fourth proportional to 6.45, 8.88 and 6
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.