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Finding the Fourth Proportional to 8,066.79, 12,097.13 and 3,135.83

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Solution

The fourth proportional to 8,066.79, 12,097.13 and 3,135.83 is: 4,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.79 : 12,097.13 = 3,135.83 : x
  2. Step 2: Convert to fraction form
    8,066.79/12,097.13 = 3,135.83/x
  3. Step 3: Cross multiply
    8,066.79x = 12,097.13 × 3,135.83
  4. Step 4: Simplify right side
    8,066.79x = 37,934,467.00
  5. Step 5: Solve for x
    x = 37,934,467.00/8,066.79
  6. Step 6: Final answer
    x = 4,702.55

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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.