Home / 5,238.54-7,847.82-2,698.38

Finding the Fourth Proportional to 5,238.54, 7,847.82 and 2,698.38

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Solution

The fourth proportional to 5,238.54, 7,847.82 and 2,698.38 is: 4,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.54 : 7,847.82 = 2,698.38 : x
  2. Step 2: Convert to fraction form
    5,238.54/7,847.82 = 2,698.38/x
  3. Step 3: Cross multiply
    5,238.54x = 7,847.82 × 2,698.38
  4. Step 4: Simplify right side
    5,238.54x = 21,176,400.53
  5. Step 5: Solve for x
    x = 21,176,400.53/5,238.54
  6. Step 6: Final answer
    x = 4,042.42

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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.