Home / 7,452.91-11,179.37-3,545.47

Finding the Fourth Proportional to 7,452.91, 11,179.37 and 3,545.47

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Solution

The fourth proportional to 7,452.91, 11,179.37 and 3,545.47 is: 5,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.91 : 11,179.37 = 3,545.47 : x
  2. Step 2: Convert to fraction form
    7,452.91/11,179.37 = 3,545.47/x
  3. Step 3: Cross multiply
    7,452.91x = 11,179.37 × 3,545.47
  4. Step 4: Simplify right side
    7,452.91x = 39,636,120.95
  5. Step 5: Solve for x
    x = 39,636,120.95/7,452.91
  6. Step 6: Final answer
    x = 5,318.21

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.