Home / 4,209.39-6,319.80-2,456.19

Finding the Fourth Proportional to 4,209.39, 6,319.80 and 2,456.19

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Solution

The fourth proportional to 4,209.39, 6,319.80 and 2,456.19 is: 3,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.39 : 6,319.80 = 2,456.19 : x
  2. Step 2: Convert to fraction form
    4,209.39/6,319.80 = 2,456.19/x
  3. Step 3: Cross multiply
    4,209.39x = 6,319.80 × 2,456.19
  4. Step 4: Simplify right side
    4,209.39x = 15,522,629.56
  5. Step 5: Solve for x
    x = 15,522,629.56/4,209.39
  6. Step 6: Final answer
    x = 3,687.62

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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.