Home / 5,229.45-7,217.02-3,240.39

Finding the Fourth Proportional to 5,229.45, 7,217.02 and 3,240.39

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Solution

The fourth proportional to 5,229.45, 7,217.02 and 3,240.39 is: 4,471.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.45 : 7,217.02 = 3,240.39 : x
  2. Step 2: Convert to fraction form
    5,229.45/7,217.02 = 3,240.39/x
  3. Step 3: Cross multiply
    5,229.45x = 7,217.02 × 3,240.39
  4. Step 4: Simplify right side
    5,229.45x = 23,385,953.68
  5. Step 5: Solve for x
    x = 23,385,953.68/5,229.45
  6. Step 6: Final answer
    x = 4,471.98

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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.