Home / 8,270.82-12,403.57-2,722.87

Finding the Fourth Proportional to 8,270.82, 12,403.57 and 2,722.87

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Solution

The fourth proportional to 8,270.82, 12,403.57 and 2,722.87 is: 4,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.82 : 12,403.57 = 2,722.87 : x
  2. Step 2: Convert to fraction form
    8,270.82/12,403.57 = 2,722.87/x
  3. Step 3: Cross multiply
    8,270.82x = 12,403.57 × 2,722.87
  4. Step 4: Simplify right side
    8,270.82x = 33,773,308.65
  5. Step 5: Solve for x
    x = 33,773,308.65/8,270.82
  6. Step 6: Final answer
    x = 4,083.43

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1.5x scale

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.