Home / 4,320.80-6,481.19-1,725.56

Finding the Fourth Proportional to 4,320.80, 6,481.19 and 1,725.56

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Solution

The fourth proportional to 4,320.80, 6,481.19 and 1,725.56 is: 2,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.80 : 6,481.19 = 1,725.56 : x
  2. Step 2: Convert to fraction form
    4,320.80/6,481.19 = 1,725.56/x
  3. Step 3: Cross multiply
    4,320.80x = 6,481.19 × 1,725.56
  4. Step 4: Simplify right side
    4,320.80x = 11,183,702.73
  5. Step 5: Solve for x
    x = 11,183,702.73/4,320.80
  6. Step 6: Final answer
    x = 2,588.34

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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.