Home / 8,765.74-13,144.08-3,217.66

Finding the Fourth Proportional to 8,765.74, 13,144.08 and 3,217.66

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Solution

The fourth proportional to 8,765.74, 13,144.08 and 3,217.66 is: 4,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.74 : 13,144.08 = 3,217.66 : x
  2. Step 2: Convert to fraction form
    8,765.74/13,144.08 = 3,217.66/x
  3. Step 3: Cross multiply
    8,765.74x = 13,144.08 × 3,217.66
  4. Step 4: Simplify right side
    8,765.74x = 42,293,180.45
  5. Step 5: Solve for x
    x = 42,293,180.45/8,765.74
  6. Step 6: Final answer
    x = 4,824.83

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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.