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Finding the Fourth Proportional to 8,551.72, 12,829.86 and 2,708.44

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Solution

The fourth proportional to 8,551.72, 12,829.86 and 2,708.44 is: 4,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.72 : 12,829.86 = 2,708.44 : x
  2. Step 2: Convert to fraction form
    8,551.72/12,829.86 = 2,708.44/x
  3. Step 3: Cross multiply
    8,551.72x = 12,829.86 × 2,708.44
  4. Step 4: Simplify right side
    8,551.72x = 34,748,906.02
  5. Step 5: Solve for x
    x = 34,748,906.02/8,551.72
  6. Step 6: Final answer
    x = 4,063.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.