Home / 4,247.28-6,371.31-1,650.42

Finding the Fourth Proportional to 4,247.28, 6,371.31 and 1,650.42

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Solution

The fourth proportional to 4,247.28, 6,371.31 and 1,650.42 is: 2,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.28 : 6,371.31 = 1,650.42 : x
  2. Step 2: Convert to fraction form
    4,247.28/6,371.31 = 1,650.42/x
  3. Step 3: Cross multiply
    4,247.28x = 6,371.31 × 1,650.42
  4. Step 4: Simplify right side
    4,247.28x = 10,515,337.45
  5. Step 5: Solve for x
    x = 10,515,337.45/4,247.28
  6. Step 6: Final answer
    x = 2,475.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.