Home / 7,545.87-11,275.43-5,757.12

Finding the Fourth Proportional to 7,545.87, 11,275.43 and 5,757.12

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Solution

The fourth proportional to 7,545.87, 11,275.43 and 5,757.12 is: 8,602.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.87 : 11,275.43 = 5,757.12 : x
  2. Step 2: Convert to fraction form
    7,545.87/11,275.43 = 5,757.12/x
  3. Step 3: Cross multiply
    7,545.87x = 11,275.43 × 5,757.12
  4. Step 4: Simplify right side
    7,545.87x = 64,913,974.78
  5. Step 5: Solve for x
    x = 64,913,974.78/7,545.87
  6. Step 6: Final answer
    x = 8,602.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.