Home / 8,270.49-12,403.11-2,722.59

Finding the Fourth Proportional to 8,270.49, 12,403.11 and 2,722.59

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Solution

The fourth proportional to 8,270.49, 12,403.11 and 2,722.59 is: 4,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.49 : 12,403.11 = 2,722.59 : x
  2. Step 2: Convert to fraction form
    8,270.49/12,403.11 = 2,722.59/x
  3. Step 3: Cross multiply
    8,270.49x = 12,403.11 × 2,722.59
  4. Step 4: Simplify right side
    8,270.49x = 33,768,583.25
  5. Step 5: Solve for x
    x = 33,768,583.25/8,270.49
  6. Step 6: Final answer
    x = 4,083.02

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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.