Home / 8,744.07-13,112.88-3,195.78

Finding the Fourth Proportional to 8,744.07, 13,112.88 and 3,195.78

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Solution

The fourth proportional to 8,744.07, 13,112.88 and 3,195.78 is: 4,792.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.07 : 13,112.88 = 3,195.78 : x
  2. Step 2: Convert to fraction form
    8,744.07/13,112.88 = 3,195.78/x
  3. Step 3: Cross multiply
    8,744.07x = 13,112.88 × 3,195.78
  4. Step 4: Simplify right side
    8,744.07x = 41,905,879.65
  5. Step 5: Solve for x
    x = 41,905,879.65/8,744.07
  6. Step 6: Final answer
    x = 4,792.49

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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.