Home / 8,136.66-12,200.67-3,750.38

Finding the Fourth Proportional to 8,136.66, 12,200.67 and 3,750.38

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Solution

The fourth proportional to 8,136.66, 12,200.67 and 3,750.38 is: 5,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.66 : 12,200.67 = 3,750.38 : x
  2. Step 2: Convert to fraction form
    8,136.66/12,200.67 = 3,750.38/x
  3. Step 3: Cross multiply
    8,136.66x = 12,200.67 × 3,750.38
  4. Step 4: Simplify right side
    8,136.66x = 45,757,087.75
  5. Step 5: Solve for x
    x = 45,757,087.75/8,136.66
  6. Step 6: Final answer
    x = 5,623.57

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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.