Home / 8,270.98-12,400.92-2,722.36

Finding the Fourth Proportional to 8,270.98, 12,400.92 and 2,722.36

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Solution

The fourth proportional to 8,270.98, 12,400.92 and 2,722.36 is: 4,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.98 : 12,400.92 = 2,722.36 : x
  2. Step 2: Convert to fraction form
    8,270.98/12,400.92 = 2,722.36/x
  3. Step 3: Cross multiply
    8,270.98x = 12,400.92 × 2,722.36
  4. Step 4: Simplify right side
    8,270.98x = 33,759,768.57
  5. Step 5: Solve for x
    x = 33,759,768.57/8,270.98
  6. Step 6: Final answer
    x = 4,081.71

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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.