Home / 5,380.14-8,073.36-2,259.92

Finding the Fourth Proportional to 5,380.14, 8,073.36 and 2,259.92

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Solution

The fourth proportional to 5,380.14, 8,073.36 and 2,259.92 is: 3,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.14 : 8,073.36 = 2,259.92 : x
  2. Step 2: Convert to fraction form
    5,380.14/8,073.36 = 2,259.92/x
  3. Step 3: Cross multiply
    5,380.14x = 8,073.36 × 2,259.92
  4. Step 4: Simplify right side
    5,380.14x = 18,245,167.91
  5. Step 5: Solve for x
    x = 18,245,167.91/5,380.14
  6. Step 6: Final answer
    x = 3,391.20

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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.