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Finding the Fourth Proportional to 8,802.73, 12,149.32 and 5,265.93

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Solution

The fourth proportional to 8,802.73, 12,149.32 and 5,265.93 is: 7,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.73 : 12,149.32 = 5,265.93 : x
  2. Step 2: Convert to fraction form
    8,802.73/12,149.32 = 5,265.93/x
  3. Step 3: Cross multiply
    8,802.73x = 12,149.32 × 5,265.93
  4. Step 4: Simplify right side
    8,802.73x = 63,977,468.67
  5. Step 5: Solve for x
    x = 63,977,468.67/8,802.73
  6. Step 6: Final answer
    x = 7,267.91

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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.