Home / 9,091.17-12,545.75-5,057.87

Finding the Fourth Proportional to 9,091.17, 12,545.75 and 5,057.87

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Solution

The fourth proportional to 9,091.17, 12,545.75 and 5,057.87 is: 6,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.17 : 12,545.75 = 5,057.87 : x
  2. Step 2: Convert to fraction form
    9,091.17/12,545.75 = 5,057.87/x
  3. Step 3: Cross multiply
    9,091.17x = 12,545.75 × 5,057.87
  4. Step 4: Simplify right side
    9,091.17x = 63,454,772.55
  5. Step 5: Solve for x
    x = 63,454,772.55/9,091.17
  6. Step 6: Final answer
    x = 6,979.82

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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.