Home / 4,857-7,286.73-1,394.25

Finding the Fourth Proportional to 4,857, 7,286.73 and 1,394.25

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Solution

The fourth proportional to 4,857, 7,286.73 and 1,394.25 is: 2,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857 : 7,286.73 = 1,394.25 : x
  2. Step 2: Convert to fraction form
    4,857/7,286.73 = 1,394.25/x
  3. Step 3: Cross multiply
    4,857x = 7,286.73 × 1,394.25
  4. Step 4: Simplify right side
    4,857x = 10,159,523.30
  5. Step 5: Solve for x
    x = 10,159,523.30/4,857
  6. Step 6: Final answer
    x = 2,091.73

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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.