Home / 8,136.86-12,207.33-3,757.37

Finding the Fourth Proportional to 8,136.86, 12,207.33 and 3,757.37

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Solution

The fourth proportional to 8,136.86, 12,207.33 and 3,757.37 is: 5,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.86 : 12,207.33 = 3,757.37 : x
  2. Step 2: Convert to fraction form
    8,136.86/12,207.33 = 3,757.37/x
  3. Step 3: Cross multiply
    8,136.86x = 12,207.33 × 3,757.37
  4. Step 4: Simplify right side
    8,136.86x = 45,867,394.49
  5. Step 5: Solve for x
    x = 45,867,394.49/8,136.86
  6. Step 6: Final answer
    x = 5,636.99

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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.