Home / 4,121.88-5,693.07-2,793.30

Finding the Fourth Proportional to 4,121.88, 5,693.07 and 2,793.30

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Solution

The fourth proportional to 4,121.88, 5,693.07 and 2,793.30 is: 3,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.88 : 5,693.07 = 2,793.30 : x
  2. Step 2: Convert to fraction form
    4,121.88/5,693.07 = 2,793.30/x
  3. Step 3: Cross multiply
    4,121.88x = 5,693.07 × 2,793.30
  4. Step 4: Simplify right side
    4,121.88x = 15,902,452.43
  5. Step 5: Solve for x
    x = 15,902,452.43/4,121.88
  6. Step 6: Final answer
    x = 3,858.06

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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.