Finding the Fourth Proportional to 4,715.44, 6,507.41 and 2,590.99
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Solution
The fourth proportional to 4,715.44, 6,507.41 and 2,590.99 is: 3,575.62
Step by Step Solution
- Step 1: Write the proportion equation
4,715.44 : 6,507.41 = 2,590.99 : x - Step 2: Convert to fraction form
4,715.44/6,507.41 = 2,590.99/x - Step 3: Cross multiply
4,715.44x = 6,507.41 × 2,590.99 - Step 4: Simplify right side
4,715.44x = 16,860,634.24 - Step 5: Solve for x
x = 16,860,634.24/4,715.44 - Step 6: Final answer
x = 3,575.62
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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.