Home / 8,001.38-12,002.38-4,488.62

Finding the Fourth Proportional to 8,001.38, 12,002.38 and 4,488.62

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Solution

The fourth proportional to 8,001.38, 12,002.38 and 4,488.62 is: 6,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.38 : 12,002.38 = 4,488.62 : x
  2. Step 2: Convert to fraction form
    8,001.38/12,002.38 = 4,488.62/x
  3. Step 3: Cross multiply
    8,001.38x = 12,002.38 × 4,488.62
  4. Step 4: Simplify right side
    8,001.38x = 53,874,051.68
  5. Step 5: Solve for x
    x = 53,874,051.68/8,001.38
  6. Step 6: Final answer
    x = 6,733.09

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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.