Home / 6,979.08-10,456.26-3,684.90

Finding the Fourth Proportional to 6,979.08, 10,456.26 and 3,684.90

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Solution

The fourth proportional to 6,979.08, 10,456.26 and 3,684.90 is: 5,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.08 : 10,456.26 = 3,684.90 : x
  2. Step 2: Convert to fraction form
    6,979.08/10,456.26 = 3,684.90/x
  3. Step 3: Cross multiply
    6,979.08x = 10,456.26 × 3,684.90
  4. Step 4: Simplify right side
    6,979.08x = 38,530,272.47
  5. Step 5: Solve for x
    x = 38,530,272.47/6,979.08
  6. Step 6: Final answer
    x = 5,520.82

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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.