Home / 5,218.87-7,197.78-3,227.53

Finding the Fourth Proportional to 5,218.87, 7,197.78 and 3,227.53

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Solution

The fourth proportional to 5,218.87, 7,197.78 and 3,227.53 is: 4,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.87 : 7,197.78 = 3,227.53 : x
  2. Step 2: Convert to fraction form
    5,218.87/7,197.78 = 3,227.53/x
  3. Step 3: Cross multiply
    5,218.87x = 7,197.78 × 3,227.53
  4. Step 4: Simplify right side
    5,218.87x = 23,231,050.88
  5. Step 5: Solve for x
    x = 23,231,050.88/5,218.87
  6. Step 6: Final answer
    x = 4,451.36

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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.