Home / 6,887.97-10,331.79-2,207.79

Finding the Fourth Proportional to 6,887.97, 10,331.79 and 2,207.79

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Solution

The fourth proportional to 6,887.97, 10,331.79 and 2,207.79 is: 3,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.97 : 10,331.79 = 2,207.79 : x
  2. Step 2: Convert to fraction form
    6,887.97/10,331.79 = 2,207.79/x
  3. Step 3: Cross multiply
    6,887.97x = 10,331.79 × 2,207.79
  4. Step 4: Simplify right side
    6,887.97x = 22,810,414.36
  5. Step 5: Solve for x
    x = 22,810,414.36/6,887.97
  6. Step 6: Final answer
    x = 3,311.63

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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.