Home / 5,324.55-7,987.78-2,202.86

Finding the Fourth Proportional to 5,324.55, 7,987.78 and 2,202.86

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Solution

The fourth proportional to 5,324.55, 7,987.78 and 2,202.86 is: 3,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.55 : 7,987.78 = 2,202.86 : x
  2. Step 2: Convert to fraction form
    5,324.55/7,987.78 = 2,202.86/x
  3. Step 3: Cross multiply
    5,324.55x = 7,987.78 × 2,202.86
  4. Step 4: Simplify right side
    5,324.55x = 17,595,961.05
  5. Step 5: Solve for x
    x = 17,595,961.05/5,324.55
  6. Step 6: Final answer
    x = 3,304.69

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1.5x scale

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.