Home / 8,738.38-13,107.36-2,164.62

Finding the Fourth Proportional to 8,738.38, 13,107.36 and 2,164.62

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Solution

The fourth proportional to 8,738.38, 13,107.36 and 2,164.62 is: 3,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.38 : 13,107.36 = 2,164.62 : x
  2. Step 2: Convert to fraction form
    8,738.38/13,107.36 = 2,164.62/x
  3. Step 3: Cross multiply
    8,738.38x = 13,107.36 × 2,164.62
  4. Step 4: Simplify right side
    8,738.38x = 28,372,453.60
  5. Step 5: Solve for x
    x = 28,372,453.60/8,738.38
  6. Step 6: Final answer
    x = 3,246.88

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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.