Home / 8,789.54-13,175.84-3,239.85

Finding the Fourth Proportional to 8,789.54, 13,175.84 and 3,239.85

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Solution

The fourth proportional to 8,789.54, 13,175.84 and 3,239.85 is: 4,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.54 : 13,175.84 = 3,239.85 : x
  2. Step 2: Convert to fraction form
    8,789.54/13,175.84 = 3,239.85/x
  3. Step 3: Cross multiply
    8,789.54x = 13,175.84 × 3,239.85
  4. Step 4: Simplify right side
    8,789.54x = 42,687,729.02
  5. Step 5: Solve for x
    x = 42,687,729.02/8,789.54
  6. Step 6: Final answer
    x = 4,856.65

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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.