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Finding the Fourth Proportional to 8,805.52, 12,150.12 and 5,448.88

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Solution

The fourth proportional to 8,805.52, 12,150.12 and 5,448.88 is: 7,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.52 : 12,150.12 = 5,448.88 : x
  2. Step 2: Convert to fraction form
    8,805.52/12,150.12 = 5,448.88/x
  3. Step 3: Cross multiply
    8,805.52x = 12,150.12 × 5,448.88
  4. Step 4: Simplify right side
    8,805.52x = 66,204,545.87
  5. Step 5: Solve for x
    x = 66,204,545.87/8,805.52
  6. Step 6: Final answer
    x = 7,518.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.