Home / 4,321.63-6,481.08-1,399.25

Finding the Fourth Proportional to 4,321.63, 6,481.08 and 1,399.25

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Solution

The fourth proportional to 4,321.63, 6,481.08 and 1,399.25 is: 2,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.63 : 6,481.08 = 1,399.25 : x
  2. Step 2: Convert to fraction form
    4,321.63/6,481.08 = 1,399.25/x
  3. Step 3: Cross multiply
    4,321.63x = 6,481.08 × 1,399.25
  4. Step 4: Simplify right side
    4,321.63x = 9,068,651.19
  5. Step 5: Solve for x
    x = 9,068,651.19/4,321.63
  6. Step 6: Final answer
    x = 2,098.43

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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.