Home / 8,118.41-12,170.22-2,850.56

Finding the Fourth Proportional to 8,118.41, 12,170.22 and 2,850.56

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Solution

The fourth proportional to 8,118.41, 12,170.22 and 2,850.56 is: 4,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.41 : 12,170.22 = 2,850.56 : x
  2. Step 2: Convert to fraction form
    8,118.41/12,170.22 = 2,850.56/x
  3. Step 3: Cross multiply
    8,118.41x = 12,170.22 × 2,850.56
  4. Step 4: Simplify right side
    8,118.41x = 34,691,942.32
  5. Step 5: Solve for x
    x = 34,691,942.32/8,118.41
  6. Step 6: Final answer
    x = 4,273.24

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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.