Home / 6,744.40-10,112.80-5,180.52

Finding the Fourth Proportional to 6,744.40, 10,112.80 and 5,180.52

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Solution

The fourth proportional to 6,744.40, 10,112.80 and 5,180.52 is: 7,767.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.40 : 10,112.80 = 5,180.52 : x
  2. Step 2: Convert to fraction form
    6,744.40/10,112.80 = 5,180.52/x
  3. Step 3: Cross multiply
    6,744.40x = 10,112.80 × 5,180.52
  4. Step 4: Simplify right side
    6,744.40x = 52,389,562.66
  5. Step 5: Solve for x
    x = 52,389,562.66/6,744.40
  6. Step 6: Final answer
    x = 7,767.86

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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.