Home / 5,240.64-7,227.90-3,247.44

Finding the Fourth Proportional to 5,240.64, 7,227.90 and 3,247.44

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Solution

The fourth proportional to 5,240.64, 7,227.90 and 3,247.44 is: 4,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.64 : 7,227.90 = 3,247.44 : x
  2. Step 2: Convert to fraction form
    5,240.64/7,227.90 = 3,247.44/x
  3. Step 3: Cross multiply
    5,240.64x = 7,227.90 × 3,247.44
  4. Step 4: Simplify right side
    5,240.64x = 23,472,171.58
  5. Step 5: Solve for x
    x = 23,472,171.58/5,240.64
  6. Step 6: Final answer
    x = 4,478.88

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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.