Home / 5,121.48-7,067.16-2,883

Finding the Fourth Proportional to 5,121.48, 7,067.16 and 2,883

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Solution

The fourth proportional to 5,121.48, 7,067.16 and 2,883 is: 3,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.48 : 7,067.16 = 2,883 : x
  2. Step 2: Convert to fraction form
    5,121.48/7,067.16 = 2,883/x
  3. Step 3: Cross multiply
    5,121.48x = 7,067.16 × 2,883
  4. Step 4: Simplify right side
    5,121.48x = 20,374,622.28
  5. Step 5: Solve for x
    x = 20,374,622.28/5,121.48
  6. Step 6: Final answer
    x = 3,978.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.