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Finding the Fourth Proportional to 6,227.20, 8,593.20 and 3,869.52

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Solution

The fourth proportional to 6,227.20, 8,593.20 and 3,869.52 is: 5,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,227.20 : 8,593.20 = 3,869.52 : x
  2. Step 2: Convert to fraction form
    6,227.20/8,593.20 = 3,869.52/x
  3. Step 3: Cross multiply
    6,227.20x = 8,593.20 × 3,869.52
  4. Step 4: Simplify right side
    6,227.20x = 33,251,559.26
  5. Step 5: Solve for x
    x = 33,251,559.26/6,227.20
  6. Step 6: Final answer
    x = 5,339.73

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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.