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Finding the Fourth Proportional to 8,598.72, 12,899.96 and 2,755.92

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Solution

The fourth proportional to 8,598.72, 12,899.96 and 2,755.92 is: 4,134.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.72 : 12,899.96 = 2,755.92 : x
  2. Step 2: Convert to fraction form
    8,598.72/12,899.96 = 2,755.92/x
  3. Step 3: Cross multiply
    8,598.72x = 12,899.96 × 2,755.92
  4. Step 4: Simplify right side
    8,598.72x = 35,551,257.76
  5. Step 5: Solve for x
    x = 35,551,257.76/8,598.72
  6. Step 6: Final answer
    x = 4,134.48

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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.