Home / 8,815.74-13,217.13-4,201.98

Finding the Fourth Proportional to 8,815.74, 13,217.13 and 4,201.98

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Solution

The fourth proportional to 8,815.74, 13,217.13 and 4,201.98 is: 6,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.74 : 13,217.13 = 4,201.98 : x
  2. Step 2: Convert to fraction form
    8,815.74/13,217.13 = 4,201.98/x
  3. Step 3: Cross multiply
    8,815.74x = 13,217.13 × 4,201.98
  4. Step 4: Simplify right side
    8,815.74x = 55,538,115.92
  5. Step 5: Solve for x
    x = 55,538,115.92/8,815.74
  6. Step 6: Final answer
    x = 6,299.88

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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.