Home / 8,007.38-12,011.34-2,164.04

Finding the Fourth Proportional to 8,007.38, 12,011.34 and 2,164.04

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Solution

The fourth proportional to 8,007.38, 12,011.34 and 2,164.04 is: 3,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.38 : 12,011.34 = 2,164.04 : x
  2. Step 2: Convert to fraction form
    8,007.38/12,011.34 = 2,164.04/x
  3. Step 3: Cross multiply
    8,007.38x = 12,011.34 × 2,164.04
  4. Step 4: Simplify right side
    8,007.38x = 25,993,020.21
  5. Step 5: Solve for x
    x = 25,993,020.21/8,007.38
  6. Step 6: Final answer
    x = 3,246.13

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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.