Home / 5,218.60-7,197.45-3,227.76

Finding the Fourth Proportional to 5,218.60, 7,197.45 and 3,227.76

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Solution

The fourth proportional to 5,218.60, 7,197.45 and 3,227.76 is: 4,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.60 : 7,197.45 = 3,227.76 : x
  2. Step 2: Convert to fraction form
    5,218.60/7,197.45 = 3,227.76/x
  3. Step 3: Cross multiply
    5,218.60x = 7,197.45 × 3,227.76
  4. Step 4: Simplify right side
    5,218.60x = 23,231,641.21
  5. Step 5: Solve for x
    x = 23,231,641.21/5,218.60
  6. Step 6: Final answer
    x = 4,451.70

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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.