Home / 8,217.62-11,348.60-5,234.79

Finding the Fourth Proportional to 8,217.62, 11,348.60 and 5,234.79

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Solution

The fourth proportional to 8,217.62, 11,348.60 and 5,234.79 is: 7,229.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.62 : 11,348.60 = 5,234.79 : x
  2. Step 2: Convert to fraction form
    8,217.62/11,348.60 = 5,234.79/x
  3. Step 3: Cross multiply
    8,217.62x = 11,348.60 × 5,234.79
  4. Step 4: Simplify right side
    8,217.62x = 59,407,537.79
  5. Step 5: Solve for x
    x = 59,407,537.79/8,217.62
  6. Step 6: Final answer
    x = 7,229.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.