Home / 8,545.68-11,791.44-5,402.88

Finding the Fourth Proportional to 8,545.68, 11,791.44 and 5,402.88

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Solution

The fourth proportional to 8,545.68, 11,791.44 and 5,402.88 is: 7,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.68 : 11,791.44 = 5,402.88 : x
  2. Step 2: Convert to fraction form
    8,545.68/11,791.44 = 5,402.88/x
  3. Step 3: Cross multiply
    8,545.68x = 11,791.44 × 5,402.88
  4. Step 4: Simplify right side
    8,545.68x = 63,707,735.35
  5. Step 5: Solve for x
    x = 63,707,735.35/8,545.68
  6. Step 6: Final answer
    x = 7,454.96

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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.