Home / 8,799.92-13,190.60-3,249.72

Finding the Fourth Proportional to 8,799.92, 13,190.60 and 3,249.72

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Solution

The fourth proportional to 8,799.92, 13,190.60 and 3,249.72 is: 4,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.92 : 13,190.60 = 3,249.72 : x
  2. Step 2: Convert to fraction form
    8,799.92/13,190.60 = 3,249.72/x
  3. Step 3: Cross multiply
    8,799.92x = 13,190.60 × 3,249.72
  4. Step 4: Simplify right side
    8,799.92x = 42,865,756.63
  5. Step 5: Solve for x
    x = 42,865,756.63/8,799.92
  6. Step 6: Final answer
    x = 4,871.15

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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.