Home / 8,786.26-13,180.71-2,861.21

Finding the Fourth Proportional to 8,786.26, 13,180.71 and 2,861.21

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Solution

The fourth proportional to 8,786.26, 13,180.71 and 2,861.21 is: 4,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.26 : 13,180.71 = 2,861.21 : x
  2. Step 2: Convert to fraction form
    8,786.26/13,180.71 = 2,861.21/x
  3. Step 3: Cross multiply
    8,786.26x = 13,180.71 × 2,861.21
  4. Step 4: Simplify right side
    8,786.26x = 37,712,764.95
  5. Step 5: Solve for x
    x = 37,712,764.95/8,786.26
  6. Step 6: Final answer
    x = 4,292.24

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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.