Home / 5,399.52-8,098.98-2,278.20

Finding the Fourth Proportional to 5,399.52, 8,098.98 and 2,278.20

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Solution

The fourth proportional to 5,399.52, 8,098.98 and 2,278.20 is: 3,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.52 : 8,098.98 = 2,278.20 : x
  2. Step 2: Convert to fraction form
    5,399.52/8,098.98 = 2,278.20/x
  3. Step 3: Cross multiply
    5,399.52x = 8,098.98 × 2,278.20
  4. Step 4: Simplify right side
    5,399.52x = 18,451,096.24
  5. Step 5: Solve for x
    x = 18,451,096.24/5,399.52
  6. Step 6: Final answer
    x = 3,417.17

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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.