Home / 8,691.18-13,030.29-5,227.62

Finding the Fourth Proportional to 8,691.18, 13,030.29 and 5,227.62

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Solution

The fourth proportional to 8,691.18, 13,030.29 and 5,227.62 is: 7,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.18 : 13,030.29 = 5,227.62 : x
  2. Step 2: Convert to fraction form
    8,691.18/13,030.29 = 5,227.62/x
  3. Step 3: Cross multiply
    8,691.18x = 13,030.29 × 5,227.62
  4. Step 4: Simplify right side
    8,691.18x = 68,117,404.61
  5. Step 5: Solve for x
    x = 68,117,404.61/8,691.18
  6. Step 6: Final answer
    x = 7,837.53

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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.