Home / 8,458.38-12,694.89-3,267.90

Finding the Fourth Proportional to 8,458.38, 12,694.89 and 3,267.90

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Solution

The fourth proportional to 8,458.38, 12,694.89 and 3,267.90 is: 4,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.38 : 12,694.89 = 3,267.90 : x
  2. Step 2: Convert to fraction form
    8,458.38/12,694.89 = 3,267.90/x
  3. Step 3: Cross multiply
    8,458.38x = 12,694.89 × 3,267.90
  4. Step 4: Simplify right side
    8,458.38x = 41,485,631.03
  5. Step 5: Solve for x
    x = 41,485,631.03/8,458.38
  6. Step 6: Final answer
    x = 4,904.68

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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.