Home / 8,198.92-12,298.38-5,273.20

Finding the Fourth Proportional to 8,198.92, 12,298.38 and 5,273.20

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Solution

The fourth proportional to 8,198.92, 12,298.38 and 5,273.20 is: 7,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.92 : 12,298.38 = 5,273.20 : x
  2. Step 2: Convert to fraction form
    8,198.92/12,298.38 = 5,273.20/x
  3. Step 3: Cross multiply
    8,198.92x = 12,298.38 × 5,273.20
  4. Step 4: Simplify right side
    8,198.92x = 64,851,817.42
  5. Step 5: Solve for x
    x = 64,851,817.42/8,198.92
  6. Step 6: Final answer
    x = 7,909.80

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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.