Home / 6,481.26-8,939.97-3,828.51

Finding the Fourth Proportional to 6,481.26, 8,939.97 and 3,828.51

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Solution

The fourth proportional to 6,481.26, 8,939.97 and 3,828.51 is: 5,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.26 : 8,939.97 = 3,828.51 : x
  2. Step 2: Convert to fraction form
    6,481.26/8,939.97 = 3,828.51/x
  3. Step 3: Cross multiply
    6,481.26x = 8,939.97 × 3,828.51
  4. Step 4: Simplify right side
    6,481.26x = 34,226,764.54
  5. Step 5: Solve for x
    x = 34,226,764.54/6,481.26
  6. Step 6: Final answer
    x = 5,280.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.