Home / 6,979.52-10,469.28-3,279.03

Finding the Fourth Proportional to 6,979.52, 10,469.28 and 3,279.03

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Solution

The fourth proportional to 6,979.52, 10,469.28 and 3,279.03 is: 4,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.52 : 10,469.28 = 3,279.03 : x
  2. Step 2: Convert to fraction form
    6,979.52/10,469.28 = 3,279.03/x
  3. Step 3: Cross multiply
    6,979.52x = 10,469.28 × 3,279.03
  4. Step 4: Simplify right side
    6,979.52x = 34,329,083.20
  5. Step 5: Solve for x
    x = 34,329,083.20/6,979.52
  6. Step 6: Final answer
    x = 4,918.55

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1.5x scale

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.