Home / 5,027.76-7,531.56-3,989.52

Finding the Fourth Proportional to 5,027.76, 7,531.56 and 3,989.52

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Solution

The fourth proportional to 5,027.76, 7,531.56 and 3,989.52 is: 5,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.76 : 7,531.56 = 3,989.52 : x
  2. Step 2: Convert to fraction form
    5,027.76/7,531.56 = 3,989.52/x
  3. Step 3: Cross multiply
    5,027.76x = 7,531.56 × 3,989.52
  4. Step 4: Simplify right side
    5,027.76x = 30,047,309.25
  5. Step 5: Solve for x
    x = 30,047,309.25/5,027.76
  6. Step 6: Final answer
    x = 5,976.28

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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.