Home / 5,194.39-7,787.25-2,419.64

Finding the Fourth Proportional to 5,194.39, 7,787.25 and 2,419.64

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Solution

The fourth proportional to 5,194.39, 7,787.25 and 2,419.64 is: 3,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.39 : 7,787.25 = 2,419.64 : x
  2. Step 2: Convert to fraction form
    5,194.39/7,787.25 = 2,419.64/x
  3. Step 3: Cross multiply
    5,194.39x = 7,787.25 × 2,419.64
  4. Step 4: Simplify right side
    5,194.39x = 18,842,290.56
  5. Step 5: Solve for x
    x = 18,842,290.56/5,194.39
  6. Step 6: Final answer
    x = 3,627.43

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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.