Home / 8,136.71-12,204.76-2,293.18

Finding the Fourth Proportional to 8,136.71, 12,204.76 and 2,293.18

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Solution

The fourth proportional to 8,136.71, 12,204.76 and 2,293.18 is: 3,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.71 : 12,204.76 = 2,293.18 : x
  2. Step 2: Convert to fraction form
    8,136.71/12,204.76 = 2,293.18/x
  3. Step 3: Cross multiply
    8,136.71x = 12,204.76 × 2,293.18
  4. Step 4: Simplify right side
    8,136.71x = 27,987,711.54
  5. Step 5: Solve for x
    x = 27,987,711.54/8,136.71
  6. Step 6: Final answer
    x = 3,439.68

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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.