Home / 4,203.73-6,309.49-2,125.21

Finding the Fourth Proportional to 4,203.73, 6,309.49 and 2,125.21

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Solution

The fourth proportional to 4,203.73, 6,309.49 and 2,125.21 is: 3,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.73 : 6,309.49 = 2,125.21 : x
  2. Step 2: Convert to fraction form
    4,203.73/6,309.49 = 2,125.21/x
  3. Step 3: Cross multiply
    4,203.73x = 6,309.49 × 2,125.21
  4. Step 4: Simplify right side
    4,203.73x = 13,408,959.70
  5. Step 5: Solve for x
    x = 13,408,959.70/4,203.73
  6. Step 6: Final answer
    x = 3,189.78

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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.