Finding the Fourth Proportional to 4,515.29, 6,775.26 and 2,206.79
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Solution
The fourth proportional to 4,515.29, 6,775.26 and 2,206.79 is: 3,311.32
Step by Step Solution
- Step 1: Write the proportion equation
4,515.29 : 6,775.26 = 2,206.79 : x - Step 2: Convert to fraction form
4,515.29/6,775.26 = 2,206.79/x - Step 3: Cross multiply
4,515.29x = 6,775.26 × 2,206.79 - Step 4: Simplify right side
4,515.29x = 14,951,542.14 - Step 5: Solve for x
x = 14,951,542.14/4,515.29 - Step 6: Final answer
x = 3,311.32
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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.