Home / 5,261.82-7,887.79-2,627.70

Finding the Fourth Proportional to 5,261.82, 7,887.79 and 2,627.70

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Solution

The fourth proportional to 5,261.82, 7,887.79 and 2,627.70 is: 3,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.82 : 7,887.79 = 2,627.70 : x
  2. Step 2: Convert to fraction form
    5,261.82/7,887.79 = 2,627.70/x
  3. Step 3: Cross multiply
    5,261.82x = 7,887.79 × 2,627.70
  4. Step 4: Simplify right side
    5,261.82x = 20,726,745.78
  5. Step 5: Solve for x
    x = 20,726,745.78/5,261.82
  6. Step 6: Final answer
    x = 3,939.08

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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.