Home / 8,081.37-12,104.24-6,218.78

Finding the Fourth Proportional to 8,081.37, 12,104.24 and 6,218.78

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Solution

The fourth proportional to 8,081.37, 12,104.24 and 6,218.78 is: 9,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.37 : 12,104.24 = 6,218.78 : x
  2. Step 2: Convert to fraction form
    8,081.37/12,104.24 = 6,218.78/x
  3. Step 3: Cross multiply
    8,081.37x = 12,104.24 × 6,218.78
  4. Step 4: Simplify right side
    8,081.37x = 75,273,514.01
  5. Step 5: Solve for x
    x = 75,273,514.01/8,081.37
  6. Step 6: Final answer
    x = 9,314.45

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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.