Home / 6,479-8,939.58-3,826.52

Finding the Fourth Proportional to 6,479, 8,939.58 and 3,826.52

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Solution

The fourth proportional to 6,479, 8,939.58 and 3,826.52 is: 5,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479 : 8,939.58 = 3,826.52 : x
  2. Step 2: Convert to fraction form
    6,479/8,939.58 = 3,826.52/x
  3. Step 3: Cross multiply
    6,479x = 8,939.58 × 3,826.52
  4. Step 4: Simplify right side
    6,479x = 34,207,481.66
  5. Step 5: Solve for x
    x = 34,207,481.66/6,479
  6. Step 6: Final answer
    x = 5,279.75

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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.