Home / 8,076.13-12,110.24-3,331.40

Finding the Fourth Proportional to 8,076.13, 12,110.24 and 3,331.40

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Solution

The fourth proportional to 8,076.13, 12,110.24 and 3,331.40 is: 4,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.13 : 12,110.24 = 3,331.40 : x
  2. Step 2: Convert to fraction form
    8,076.13/12,110.24 = 3,331.40/x
  3. Step 3: Cross multiply
    8,076.13x = 12,110.24 × 3,331.40
  4. Step 4: Simplify right side
    8,076.13x = 40,344,092.14
  5. Step 5: Solve for x
    x = 40,344,092.14/8,076.13
  6. Step 6: Final answer
    x = 4,995.47

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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.