Home / 4,321.85-6,481.56-1,201.10

Finding the Fourth Proportional to 4,321.85, 6,481.56 and 1,201.10

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Solution

The fourth proportional to 4,321.85, 6,481.56 and 1,201.10 is: 1,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.85 : 6,481.56 = 1,201.10 : x
  2. Step 2: Convert to fraction form
    4,321.85/6,481.56 = 1,201.10/x
  3. Step 3: Cross multiply
    4,321.85x = 6,481.56 × 1,201.10
  4. Step 4: Simplify right side
    4,321.85x = 7,785,001.72
  5. Step 5: Solve for x
    x = 7,785,001.72/4,321.85
  6. Step 6: Final answer
    x = 1,801.31

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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.