Home / 6,399.60-9,593.55-5,418.73

Finding the Fourth Proportional to 6,399.60, 9,593.55 and 5,418.73

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Solution

The fourth proportional to 6,399.60, 9,593.55 and 5,418.73 is: 8,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.60 : 9,593.55 = 5,418.73 : x
  2. Step 2: Convert to fraction form
    6,399.60/9,593.55 = 5,418.73/x
  3. Step 3: Cross multiply
    6,399.60x = 9,593.55 × 5,418.73
  4. Step 4: Simplify right side
    6,399.60x = 51,984,857.19
  5. Step 5: Solve for x
    x = 51,984,857.19/6,399.60
  6. Step 6: Final answer
    x = 8,123.14

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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.