Home / 8,209.44-12,332.38-5,091.75

Finding the Fourth Proportional to 8,209.44, 12,332.38 and 5,091.75

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Solution

The fourth proportional to 8,209.44, 12,332.38 and 5,091.75 is: 7,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.44 : 12,332.38 = 5,091.75 : x
  2. Step 2: Convert to fraction form
    8,209.44/12,332.38 = 5,091.75/x
  3. Step 3: Cross multiply
    8,209.44x = 12,332.38 × 5,091.75
  4. Step 4: Simplify right side
    8,209.44x = 62,793,321.47
  5. Step 5: Solve for x
    x = 62,793,321.47/8,209.44
  6. Step 6: Final answer
    x = 7,648.92

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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.