Home / 8,223.28-12,338.44-5,450.92

Finding the Fourth Proportional to 8,223.28, 12,338.44 and 5,450.92

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Solution

The fourth proportional to 8,223.28, 12,338.44 and 5,450.92 is: 8,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.28 : 12,338.44 = 5,450.92 : x
  2. Step 2: Convert to fraction form
    8,223.28/12,338.44 = 5,450.92/x
  3. Step 3: Cross multiply
    8,223.28x = 12,338.44 × 5,450.92
  4. Step 4: Simplify right side
    8,223.28x = 67,255,849.36
  5. Step 5: Solve for x
    x = 67,255,849.36/8,223.28
  6. Step 6: Final answer
    x = 8,178.71

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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.