Home / 8,078.58-12,115.44-2,233.80

Finding the Fourth Proportional to 8,078.58, 12,115.44 and 2,233.80

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Solution

The fourth proportional to 8,078.58, 12,115.44 and 2,233.80 is: 3,350.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.58 : 12,115.44 = 2,233.80 : x
  2. Step 2: Convert to fraction form
    8,078.58/12,115.44 = 2,233.80/x
  3. Step 3: Cross multiply
    8,078.58x = 12,115.44 × 2,233.80
  4. Step 4: Simplify right side
    8,078.58x = 27,063,469.87
  5. Step 5: Solve for x
    x = 27,063,469.87/8,078.58
  6. Step 6: Final answer
    x = 3,350.03

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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.