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Finding the Fourth Proportional to 8,508.96, 12,761.64 and 4,064.10

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Solution

The fourth proportional to 8,508.96, 12,761.64 and 4,064.10 is: 6,095.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.96 : 12,761.64 = 4,064.10 : x
  2. Step 2: Convert to fraction form
    8,508.96/12,761.64 = 4,064.10/x
  3. Step 3: Cross multiply
    8,508.96x = 12,761.64 × 4,064.10
  4. Step 4: Simplify right side
    8,508.96x = 51,864,581.12
  5. Step 5: Solve for x
    x = 51,864,581.12/8,508.96
  6. Step 6: Final answer
    x = 6,095.29

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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.