Home / 8,711.48-13,067.45-2,137.65

Finding the Fourth Proportional to 8,711.48, 13,067.45 and 2,137.65

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Solution

The fourth proportional to 8,711.48, 13,067.45 and 2,137.65 is: 3,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.48 : 13,067.45 = 2,137.65 : x
  2. Step 2: Convert to fraction form
    8,711.48/13,067.45 = 2,137.65/x
  3. Step 3: Cross multiply
    8,711.48x = 13,067.45 × 2,137.65
  4. Step 4: Simplify right side
    8,711.48x = 27,933,623.80
  5. Step 5: Solve for x
    x = 27,933,623.80/8,711.48
  6. Step 6: Final answer
    x = 3,206.53

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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.