Home / 5,371.72-8,057.76-3,818.68

Finding the Fourth Proportional to 5,371.72, 8,057.76 and 3,818.68

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Solution

The fourth proportional to 5,371.72, 8,057.76 and 3,818.68 is: 5,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.72 : 8,057.76 = 3,818.68 : x
  2. Step 2: Convert to fraction form
    5,371.72/8,057.76 = 3,818.68/x
  3. Step 3: Cross multiply
    5,371.72x = 8,057.76 × 3,818.68
  4. Step 4: Simplify right side
    5,371.72x = 30,770,006.96
  5. Step 5: Solve for x
    x = 30,770,006.96/5,371.72
  6. Step 6: Final answer
    x = 5,728.15

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1.5x scale

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.