Home / 4,115.25-5,679.07-3,801.32

Finding the Fourth Proportional to 4,115.25, 5,679.07 and 3,801.32

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Solution

The fourth proportional to 4,115.25, 5,679.07 and 3,801.32 is: 5,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.25 : 5,679.07 = 3,801.32 : x
  2. Step 2: Convert to fraction form
    4,115.25/5,679.07 = 3,801.32/x
  3. Step 3: Cross multiply
    4,115.25x = 5,679.07 × 3,801.32
  4. Step 4: Simplify right side
    4,115.25x = 21,587,929.17
  5. Step 5: Solve for x
    x = 21,587,929.17/4,115.25
  6. Step 6: Final answer
    x = 5,245.83

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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.