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Finding the Fourth Proportional to 8,829.92, 12,191 and 5,476.30

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Solution

The fourth proportional to 8,829.92, 12,191 and 5,476.30 is: 7,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.92 : 12,191 = 5,476.30 : x
  2. Step 2: Convert to fraction form
    8,829.92/12,191 = 5,476.30/x
  3. Step 3: Cross multiply
    8,829.92x = 12,191 × 5,476.30
  4. Step 4: Simplify right side
    8,829.92x = 66,761,573.30
  5. Step 5: Solve for x
    x = 66,761,573.30/8,829.92
  6. Step 6: Final answer
    x = 7,560.84

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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.