Finding the Fourth Proportional to 4.38, 6.56 and 4
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Solution
The fourth proportional to 4.38, 6.56 and 4 is: 5.99
Step by Step Solution
- Step 1: Write the proportion equation
4.38 : 6.56 = 4 : x - Step 2: Convert to fraction form
4.38/6.56 = 4/x - Step 3: Cross multiply
4.38x = 6.56 × 4 - Step 4: Simplify right side
4.38x = 26.24 - Step 5: Solve for x
x = 26.24/4.38 - Step 6: Final answer
x = 5.99
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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.