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Finding the Fourth Proportional to 8,202.87, 12,304.44 and 4,918.59

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Solution

The fourth proportional to 8,202.87, 12,304.44 and 4,918.59 is: 7,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.87 : 12,304.44 = 4,918.59 : x
  2. Step 2: Convert to fraction form
    8,202.87/12,304.44 = 4,918.59/x
  3. Step 3: Cross multiply
    8,202.87x = 12,304.44 × 4,918.59
  4. Step 4: Simplify right side
    8,202.87x = 60,520,495.54
  5. Step 5: Solve for x
    x = 60,520,495.54/8,202.87
  6. Step 6: Final answer
    x = 7,377.97

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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.