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Finding the Fourth Proportional to 8,793.47, 13,188.77 and 3,249.42

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Solution

The fourth proportional to 8,793.47, 13,188.77 and 3,249.42 is: 4,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.47 : 13,188.77 = 3,249.42 : x
  2. Step 2: Convert to fraction form
    8,793.47/13,188.77 = 3,249.42/x
  3. Step 3: Cross multiply
    8,793.47x = 13,188.77 × 3,249.42
  4. Step 4: Simplify right side
    8,793.47x = 42,855,861.14
  5. Step 5: Solve for x
    x = 42,855,861.14/8,793.47
  6. Step 6: Final answer
    x = 4,873.60

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1.5x scale

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.