Home / 6,917.19-9,545.34-3,932.61

Finding the Fourth Proportional to 6,917.19, 9,545.34 and 3,932.61

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Solution

The fourth proportional to 6,917.19, 9,545.34 and 3,932.61 is: 5,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.19 : 9,545.34 = 3,932.61 : x
  2. Step 2: Convert to fraction form
    6,917.19/9,545.34 = 3,932.61/x
  3. Step 3: Cross multiply
    6,917.19x = 9,545.34 × 3,932.61
  4. Step 4: Simplify right side
    6,917.19x = 37,538,099.54
  5. Step 5: Solve for x
    x = 37,538,099.54/6,917.19
  6. Step 6: Final answer
    x = 5,426.78

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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.