Home / 4,279.25-6,419.24-1,201.25

Finding the Fourth Proportional to 4,279.25, 6,419.24 and 1,201.25

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Solution

The fourth proportional to 4,279.25, 6,419.24 and 1,201.25 is: 1,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.25 : 6,419.24 = 1,201.25 : x
  2. Step 2: Convert to fraction form
    4,279.25/6,419.24 = 1,201.25/x
  3. Step 3: Cross multiply
    4,279.25x = 6,419.24 × 1,201.25
  4. Step 4: Simplify right side
    4,279.25x = 7,711,112.05
  5. Step 5: Solve for x
    x = 7,711,112.05/4,279.25
  6. Step 6: Final answer
    x = 1,801.98

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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.