Home / 5,324.62-7,979.61-2,722.12

Finding the Fourth Proportional to 5,324.62, 7,979.61 and 2,722.12

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Solution

The fourth proportional to 5,324.62, 7,979.61 and 2,722.12 is: 4,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.62 : 7,979.61 = 2,722.12 : x
  2. Step 2: Convert to fraction form
    5,324.62/7,979.61 = 2,722.12/x
  3. Step 3: Cross multiply
    5,324.62x = 7,979.61 × 2,722.12
  4. Step 4: Simplify right side
    5,324.62x = 21,721,455.97
  5. Step 5: Solve for x
    x = 21,721,455.97/5,324.62
  6. Step 6: Final answer
    x = 4,079.44

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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.