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Finding the Fourth Proportional to 8,777.73, 13,168.89 and 2,934.39

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Solution

The fourth proportional to 8,777.73, 13,168.89 and 2,934.39 is: 4,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.73 : 13,168.89 = 2,934.39 : x
  2. Step 2: Convert to fraction form
    8,777.73/13,168.89 = 2,934.39/x
  3. Step 3: Cross multiply
    8,777.73x = 13,168.89 × 2,934.39
  4. Step 4: Simplify right side
    8,777.73x = 38,642,659.13
  5. Step 5: Solve for x
    x = 38,642,659.13/8,777.73
  6. Step 6: Final answer
    x = 4,402.35

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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.