Home / 8,263.28-12,396.21-2,998.70

Finding the Fourth Proportional to 8,263.28, 12,396.21 and 2,998.70

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Solution

The fourth proportional to 8,263.28, 12,396.21 and 2,998.70 is: 4,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.28 : 12,396.21 = 2,998.70 : x
  2. Step 2: Convert to fraction form
    8,263.28/12,396.21 = 2,998.70/x
  3. Step 3: Cross multiply
    8,263.28x = 12,396.21 × 2,998.70
  4. Step 4: Simplify right side
    8,263.28x = 37,172,514.93
  5. Step 5: Solve for x
    x = 37,172,514.93/8,263.28
  6. Step 6: Final answer
    x = 4,498.52

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Double scale
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Similar ratio
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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.