Home / 8,269.82-12,402.08-2,721.87

Finding the Fourth Proportional to 8,269.82, 12,402.08 and 2,721.87

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Solution

The fourth proportional to 8,269.82, 12,402.08 and 2,721.87 is: 4,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.82 : 12,402.08 = 2,721.87 : x
  2. Step 2: Convert to fraction form
    8,269.82/12,402.08 = 2,721.87/x
  3. Step 3: Cross multiply
    8,269.82x = 12,402.08 × 2,721.87
  4. Step 4: Simplify right side
    8,269.82x = 33,756,835.88
  5. Step 5: Solve for x
    x = 33,756,835.88/8,269.82
  6. Step 6: Final answer
    x = 4,081.93

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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.