Home / 8,819.57-13,232.79-3,885.73

Finding the Fourth Proportional to 8,819.57, 13,232.79 and 3,885.73

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Solution

The fourth proportional to 8,819.57, 13,232.79 and 3,885.73 is: 5,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.57 : 13,232.79 = 3,885.73 : x
  2. Step 2: Convert to fraction form
    8,819.57/13,232.79 = 3,885.73/x
  3. Step 3: Cross multiply
    8,819.57x = 13,232.79 × 3,885.73
  4. Step 4: Simplify right side
    8,819.57x = 51,419,064.15
  5. Step 5: Solve for x
    x = 51,419,064.15/8,819.57
  6. Step 6: Final answer
    x = 5,830.11

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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.