Finding the Fourth Proportional to 5.34, 8 and 4
Calculator
Solution
The fourth proportional to 5.34, 8 and 4 is: 5.99
Step by Step Solution
- Step 1: Write the proportion equation
5.34 : 8 = 4 : x - Step 2: Convert to fraction form
5.34/8 = 4/x - Step 3: Cross multiply
5.34x = 8 × 4 - Step 4: Simplify right side
5.34x = 32 - Step 5: Solve for x
x = 32/5.34 - Step 6: Final answer
x = 5.99
Related Problems
Find fourth proportional to 2.67, 4 and 2
Half scale
Find fourth proportional to 10.68, 16 and 8
Double scale
Find fourth proportional to 6.34, 9.50 and 5
Similar ratio
Find fourth proportional to 8.01, 12 and 6
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.