Home / 7,168.41-10,747.92-2,786.31

Finding the Fourth Proportional to 7,168.41, 10,747.92 and 2,786.31

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Solution

The fourth proportional to 7,168.41, 10,747.92 and 2,786.31 is: 4,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.41 : 10,747.92 = 2,786.31 : x
  2. Step 2: Convert to fraction form
    7,168.41/10,747.92 = 2,786.31/x
  3. Step 3: Cross multiply
    7,168.41x = 10,747.92 × 2,786.31
  4. Step 4: Simplify right side
    7,168.41x = 29,947,036.98
  5. Step 5: Solve for x
    x = 29,947,036.98/7,168.41
  6. Step 6: Final answer
    x = 4,177.64

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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.