Home / 8,136.48-12,200.94-3,976.68

Finding the Fourth Proportional to 8,136.48, 12,200.94 and 3,976.68

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Solution

The fourth proportional to 8,136.48, 12,200.94 and 3,976.68 is: 5,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.48 : 12,200.94 = 3,976.68 : x
  2. Step 2: Convert to fraction form
    8,136.48/12,200.94 = 3,976.68/x
  3. Step 3: Cross multiply
    8,136.48x = 12,200.94 × 3,976.68
  4. Step 4: Simplify right side
    8,136.48x = 48,519,234.08
  5. Step 5: Solve for x
    x = 48,519,234.08/8,136.48
  6. Step 6: Final answer
    x = 5,963.17

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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.