Home / 8,269.56-12,401.71-2,721.67

Finding the Fourth Proportional to 8,269.56, 12,401.71 and 2,721.67

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Solution

The fourth proportional to 8,269.56, 12,401.71 and 2,721.67 is: 4,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.56 : 12,401.71 = 2,721.67 : x
  2. Step 2: Convert to fraction form
    8,269.56/12,401.71 = 2,721.67/x
  3. Step 3: Cross multiply
    8,269.56x = 12,401.71 × 2,721.67
  4. Step 4: Simplify right side
    8,269.56x = 33,753,324.25
  5. Step 5: Solve for x
    x = 33,753,324.25/8,269.56
  6. Step 6: Final answer
    x = 4,081.63

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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.