Home / 8,711.39-13,067.10-2,137.52

Finding the Fourth Proportional to 8,711.39, 13,067.10 and 2,137.52

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Solution

The fourth proportional to 8,711.39, 13,067.10 and 2,137.52 is: 3,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.39 : 13,067.10 = 2,137.52 : x
  2. Step 2: Convert to fraction form
    8,711.39/13,067.10 = 2,137.52/x
  3. Step 3: Cross multiply
    8,711.39x = 13,067.10 × 2,137.52
  4. Step 4: Simplify right side
    8,711.39x = 27,931,220.26
  5. Step 5: Solve for x
    x = 27,931,220.26/8,711.39
  6. Step 6: Final answer
    x = 3,206.29

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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.