Home / 6,917.20-9,545.62-3,773.38

Finding the Fourth Proportional to 6,917.20, 9,545.62 and 3,773.38

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Solution

The fourth proportional to 6,917.20, 9,545.62 and 3,773.38 is: 5,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.20 : 9,545.62 = 3,773.38 : x
  2. Step 2: Convert to fraction form
    6,917.20/9,545.62 = 3,773.38/x
  3. Step 3: Cross multiply
    6,917.20x = 9,545.62 × 3,773.38
  4. Step 4: Simplify right side
    6,917.20x = 36,019,251.60
  5. Step 5: Solve for x
    x = 36,019,251.60/6,917.20
  6. Step 6: Final answer
    x = 5,207.20

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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.