Home / 8,100.91-12,144.07-4,193.47

Finding the Fourth Proportional to 8,100.91, 12,144.07 and 4,193.47

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Solution

The fourth proportional to 8,100.91, 12,144.07 and 4,193.47 is: 6,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.91 : 12,144.07 = 4,193.47 : x
  2. Step 2: Convert to fraction form
    8,100.91/12,144.07 = 4,193.47/x
  3. Step 3: Cross multiply
    8,100.91x = 12,144.07 × 4,193.47
  4. Step 4: Simplify right side
    8,100.91x = 50,925,711.54
  5. Step 5: Solve for x
    x = 50,925,711.54/8,100.91
  6. Step 6: Final answer
    x = 6,286.42

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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.