Home / 4,939.69-6,816.78-2,843.82

Finding the Fourth Proportional to 4,939.69, 6,816.78 and 2,843.82

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Solution

The fourth proportional to 4,939.69, 6,816.78 and 2,843.82 is: 3,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.69 : 6,816.78 = 2,843.82 : x
  2. Step 2: Convert to fraction form
    4,939.69/6,816.78 = 2,843.82/x
  3. Step 3: Cross multiply
    4,939.69x = 6,816.78 × 2,843.82
  4. Step 4: Simplify right side
    4,939.69x = 19,385,695.30
  5. Step 5: Solve for x
    x = 19,385,695.30/4,939.69
  6. Step 6: Final answer
    x = 3,924.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.