Home / 8,761.26-13,141.65-2,521.29

Finding the Fourth Proportional to 8,761.26, 13,141.65 and 2,521.29

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Solution

The fourth proportional to 8,761.26, 13,141.65 and 2,521.29 is: 3,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.26 : 13,141.65 = 2,521.29 : x
  2. Step 2: Convert to fraction form
    8,761.26/13,141.65 = 2,521.29/x
  3. Step 3: Cross multiply
    8,761.26x = 13,141.65 × 2,521.29
  4. Step 4: Simplify right side
    8,761.26x = 33,133,910.73
  5. Step 5: Solve for x
    x = 33,133,910.73/8,761.26
  6. Step 6: Final answer
    x = 3,781.87

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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.