Home / 6,889.14-10,331.73-2,505.78

Finding the Fourth Proportional to 6,889.14, 10,331.73 and 2,505.78

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Solution

The fourth proportional to 6,889.14, 10,331.73 and 2,505.78 is: 3,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.14 : 10,331.73 = 2,505.78 : x
  2. Step 2: Convert to fraction form
    6,889.14/10,331.73 = 2,505.78/x
  3. Step 3: Cross multiply
    6,889.14x = 10,331.73 × 2,505.78
  4. Step 4: Simplify right side
    6,889.14x = 25,889,042.40
  5. Step 5: Solve for x
    x = 25,889,042.40/6,889.14
  6. Step 6: Final answer
    x = 3,757.95

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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.