Home / 6,545.78-9,034.10-3,713.85

Finding the Fourth Proportional to 6,545.78, 9,034.10 and 3,713.85

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Solution

The fourth proportional to 6,545.78, 9,034.10 and 3,713.85 is: 5,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.78 : 9,034.10 = 3,713.85 : x
  2. Step 2: Convert to fraction form
    6,545.78/9,034.10 = 3,713.85/x
  3. Step 3: Cross multiply
    6,545.78x = 9,034.10 × 3,713.85
  4. Step 4: Simplify right side
    6,545.78x = 33,551,287.64
  5. Step 5: Solve for x
    x = 33,551,287.64/6,545.78
  6. Step 6: Final answer
    x = 5,125.64

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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.