Home / 5,649.76-8,469.62-2,686.38

Finding the Fourth Proportional to 5,649.76, 8,469.62 and 2,686.38

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Solution

The fourth proportional to 5,649.76, 8,469.62 and 2,686.38 is: 4,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.76 : 8,469.62 = 2,686.38 : x
  2. Step 2: Convert to fraction form
    5,649.76/8,469.62 = 2,686.38/x
  3. Step 3: Cross multiply
    5,649.76x = 8,469.62 × 2,686.38
  4. Step 4: Simplify right side
    5,649.76x = 22,752,617.78
  5. Step 5: Solve for x
    x = 22,752,617.78/5,649.76
  6. Step 6: Final answer
    x = 4,027.18

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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.