Home / 8,039.73-12,052.42-4,088.78

Finding the Fourth Proportional to 8,039.73, 12,052.42 and 4,088.78

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Solution

The fourth proportional to 8,039.73, 12,052.42 and 4,088.78 is: 6,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.73 : 12,052.42 = 4,088.78 : x
  2. Step 2: Convert to fraction form
    8,039.73/12,052.42 = 4,088.78/x
  3. Step 3: Cross multiply
    8,039.73x = 12,052.42 × 4,088.78
  4. Step 4: Simplify right side
    8,039.73x = 49,279,668.56
  5. Step 5: Solve for x
    x = 49,279,668.56/8,039.73
  6. Step 6: Final answer
    x = 6,129.51

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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.