Home / 4,279.77-6,419.55-3,241.75

Finding the Fourth Proportional to 4,279.77, 6,419.55 and 3,241.75

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Solution

The fourth proportional to 4,279.77, 6,419.55 and 3,241.75 is: 4,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.77 : 6,419.55 = 3,241.75 : x
  2. Step 2: Convert to fraction form
    4,279.77/6,419.55 = 3,241.75/x
  3. Step 3: Cross multiply
    4,279.77x = 6,419.55 × 3,241.75
  4. Step 4: Simplify right side
    4,279.77x = 20,810,576.21
  5. Step 5: Solve for x
    x = 20,810,576.21/4,279.77
  6. Step 6: Final answer
    x = 4,862.55

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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.