Home / 6,979.04-10,456.28-3,684.88

Finding the Fourth Proportional to 6,979.04, 10,456.28 and 3,684.88

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Solution

The fourth proportional to 6,979.04, 10,456.28 and 3,684.88 is: 5,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.04 : 10,456.28 = 3,684.88 : x
  2. Step 2: Convert to fraction form
    6,979.04/10,456.28 = 3,684.88/x
  3. Step 3: Cross multiply
    6,979.04x = 10,456.28 × 3,684.88
  4. Step 4: Simplify right side
    6,979.04x = 38,530,137.05
  5. Step 5: Solve for x
    x = 38,530,137.05/6,979.04
  6. Step 6: Final answer
    x = 5,520.84

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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.