Home / 8,270.76-12,406.11-3,340.35

Finding the Fourth Proportional to 8,270.76, 12,406.11 and 3,340.35

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Solution

The fourth proportional to 8,270.76, 12,406.11 and 3,340.35 is: 5,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.76 : 12,406.11 = 3,340.35 : x
  2. Step 2: Convert to fraction form
    8,270.76/12,406.11 = 3,340.35/x
  3. Step 3: Cross multiply
    8,270.76x = 12,406.11 × 3,340.35
  4. Step 4: Simplify right side
    8,270.76x = 41,440,749.54
  5. Step 5: Solve for x
    x = 41,440,749.54/8,270.76
  6. Step 6: Final answer
    x = 5,010.51

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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.