Home / 6,979.68-10,473.66-2,819.16

Finding the Fourth Proportional to 6,979.68, 10,473.66 and 2,819.16

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Solution

The fourth proportional to 6,979.68, 10,473.66 and 2,819.16 is: 4,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.68 : 10,473.66 = 2,819.16 : x
  2. Step 2: Convert to fraction form
    6,979.68/10,473.66 = 2,819.16/x
  3. Step 3: Cross multiply
    6,979.68x = 10,473.66 × 2,819.16
  4. Step 4: Simplify right side
    6,979.68x = 29,526,923.33
  5. Step 5: Solve for x
    x = 29,526,923.33/6,979.68
  6. Step 6: Final answer
    x = 4,230.41

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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.