Home / 8,144.43-12,223.94-3,764.36

Finding the Fourth Proportional to 8,144.43, 12,223.94 and 3,764.36

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Solution

The fourth proportional to 8,144.43, 12,223.94 and 3,764.36 is: 5,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.43 : 12,223.94 = 3,764.36 : x
  2. Step 2: Convert to fraction form
    8,144.43/12,223.94 = 3,764.36/x
  3. Step 3: Cross multiply
    8,144.43x = 12,223.94 × 3,764.36
  4. Step 4: Simplify right side
    8,144.43x = 46,015,230.84
  5. Step 5: Solve for x
    x = 46,015,230.84/8,144.43
  6. Step 6: Final answer
    x = 5,649.90

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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.