Home / 4,003.22-5,512.21-3,627.75

Finding the Fourth Proportional to 4,003.22, 5,512.21 and 3,627.75

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Solution

The fourth proportional to 4,003.22, 5,512.21 and 3,627.75 is: 4,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.22 : 5,512.21 = 3,627.75 : x
  2. Step 2: Convert to fraction form
    4,003.22/5,512.21 = 3,627.75/x
  3. Step 3: Cross multiply
    4,003.22x = 5,512.21 × 3,627.75
  4. Step 4: Simplify right side
    4,003.22x = 19,996,924.54
  5. Step 5: Solve for x
    x = 19,996,924.54/4,003.22
  6. Step 6: Final answer
    x = 4,995.22

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1.5x scale

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.