Home / 6,979.66-10,465.38-2,819.80

Finding the Fourth Proportional to 6,979.66, 10,465.38 and 2,819.80

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Solution

The fourth proportional to 6,979.66, 10,465.38 and 2,819.80 is: 4,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.66 : 10,465.38 = 2,819.80 : x
  2. Step 2: Convert to fraction form
    6,979.66/10,465.38 = 2,819.80/x
  3. Step 3: Cross multiply
    6,979.66x = 10,465.38 × 2,819.80
  4. Step 4: Simplify right side
    6,979.66x = 29,510,291.61
  5. Step 5: Solve for x
    x = 29,510,291.61/6,979.66
  6. Step 6: Final answer
    x = 4,228.04

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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.