Home / 5,221.20-7,206.48-3,452.88

Finding the Fourth Proportional to 5,221.20, 7,206.48 and 3,452.88

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Solution

The fourth proportional to 5,221.20, 7,206.48 and 3,452.88 is: 4,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.20 : 7,206.48 = 3,452.88 : x
  2. Step 2: Convert to fraction form
    5,221.20/7,206.48 = 3,452.88/x
  3. Step 3: Cross multiply
    5,221.20x = 7,206.48 × 3,452.88
  4. Step 4: Simplify right side
    5,221.20x = 24,883,110.66
  5. Step 5: Solve for x
    x = 24,883,110.66/5,221.20
  6. Step 6: Final answer
    x = 4,765.78

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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.