Home / 8,136.26-12,204.39-2,292.87

Finding the Fourth Proportional to 8,136.26, 12,204.39 and 2,292.87

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Solution

The fourth proportional to 8,136.26, 12,204.39 and 2,292.87 is: 3,439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.26 : 12,204.39 = 2,292.87 : x
  2. Step 2: Convert to fraction form
    8,136.26/12,204.39 = 2,292.87/x
  3. Step 3: Cross multiply
    8,136.26x = 12,204.39 × 2,292.87
  4. Step 4: Simplify right side
    8,136.26x = 27,983,079.70
  5. Step 5: Solve for x
    x = 27,983,079.70/8,136.26
  6. Step 6: Final answer
    x = 3,439.31

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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.