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Finding the Fourth Proportional to 8,751.76, 13,123.32 and 3,819.26

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Solution

The fourth proportional to 8,751.76, 13,123.32 and 3,819.26 is: 5,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.76 : 13,123.32 = 3,819.26 : x
  2. Step 2: Convert to fraction form
    8,751.76/13,123.32 = 3,819.26/x
  3. Step 3: Cross multiply
    8,751.76x = 13,123.32 × 3,819.26
  4. Step 4: Simplify right side
    8,751.76x = 50,121,371.14
  5. Step 5: Solve for x
    x = 50,121,371.14/8,751.76
  6. Step 6: Final answer
    x = 5,727.00

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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.