Home / 4,321.79-6,481.06-1,399.31

Finding the Fourth Proportional to 4,321.79, 6,481.06 and 1,399.31

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Solution

The fourth proportional to 4,321.79, 6,481.06 and 1,399.31 is: 2,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.79 : 6,481.06 = 1,399.31 : x
  2. Step 2: Convert to fraction form
    4,321.79/6,481.06 = 1,399.31/x
  3. Step 3: Cross multiply
    4,321.79x = 6,481.06 × 1,399.31
  4. Step 4: Simplify right side
    4,321.79x = 9,069,024.77
  5. Step 5: Solve for x
    x = 9,069,024.77/4,321.79
  6. Step 6: Final answer
    x = 2,098.44

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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.