Home / 8,514.11-12,758.13-3,581.05

Finding the Fourth Proportional to 8,514.11, 12,758.13 and 3,581.05

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Solution

The fourth proportional to 8,514.11, 12,758.13 and 3,581.05 is: 5,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.11 : 12,758.13 = 3,581.05 : x
  2. Step 2: Convert to fraction form
    8,514.11/12,758.13 = 3,581.05/x
  3. Step 3: Cross multiply
    8,514.11x = 12,758.13 × 3,581.05
  4. Step 4: Simplify right side
    8,514.11x = 45,687,428.69
  5. Step 5: Solve for x
    x = 45,687,428.69/8,514.11
  6. Step 6: Final answer
    x = 5,366.09

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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.