Home / 8,157.32-12,227.56-3,224.96

Finding the Fourth Proportional to 8,157.32, 12,227.56 and 3,224.96

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Solution

The fourth proportional to 8,157.32, 12,227.56 and 3,224.96 is: 4,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.32 : 12,227.56 = 3,224.96 : x
  2. Step 2: Convert to fraction form
    8,157.32/12,227.56 = 3,224.96/x
  3. Step 3: Cross multiply
    8,157.32x = 12,227.56 × 3,224.96
  4. Step 4: Simplify right side
    8,157.32x = 39,433,391.90
  5. Step 5: Solve for x
    x = 39,433,391.90/8,157.32
  6. Step 6: Final answer
    x = 4,834.11

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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.