Home / 8,105.05-12,158.26-2,261.66

Finding the Fourth Proportional to 8,105.05, 12,158.26 and 2,261.66

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Solution

The fourth proportional to 8,105.05, 12,158.26 and 2,261.66 is: 3,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.05 : 12,158.26 = 2,261.66 : x
  2. Step 2: Convert to fraction form
    8,105.05/12,158.26 = 2,261.66/x
  3. Step 3: Cross multiply
    8,105.05x = 12,158.26 × 2,261.66
  4. Step 4: Simplify right side
    8,105.05x = 27,497,850.31
  5. Step 5: Solve for x
    x = 27,497,850.31/8,105.05
  6. Step 6: Final answer
    x = 3,392.68

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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.