Home / 4,269.28-5,879.84-3,679.60

Finding the Fourth Proportional to 4,269.28, 5,879.84 and 3,679.60

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Solution

The fourth proportional to 4,269.28, 5,879.84 and 3,679.60 is: 5,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.28 : 5,879.84 = 3,679.60 : x
  2. Step 2: Convert to fraction form
    4,269.28/5,879.84 = 3,679.60/x
  3. Step 3: Cross multiply
    4,269.28x = 5,879.84 × 3,679.60
  4. Step 4: Simplify right side
    4,269.28x = 21,635,459.26
  5. Step 5: Solve for x
    x = 21,635,459.26/4,269.28
  6. Step 6: Final answer
    x = 5,067.71

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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.