Home / 8,711.46-13,067.19-2,137.59

Finding the Fourth Proportional to 8,711.46, 13,067.19 and 2,137.59

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Solution

The fourth proportional to 8,711.46, 13,067.19 and 2,137.59 is: 3,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.46 : 13,067.19 = 2,137.59 : x
  2. Step 2: Convert to fraction form
    8,711.46/13,067.19 = 2,137.59/x
  3. Step 3: Cross multiply
    8,711.46x = 13,067.19 × 2,137.59
  4. Step 4: Simplify right side
    8,711.46x = 27,932,294.67
  5. Step 5: Solve for x
    x = 27,932,294.67/8,711.46
  6. Step 6: Final answer
    x = 3,206.39

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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.