Home / 4,982.80-6,876.32-2,744.75

Finding the Fourth Proportional to 4,982.80, 6,876.32 and 2,744.75

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Solution

The fourth proportional to 4,982.80, 6,876.32 and 2,744.75 is: 3,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.80 : 6,876.32 = 2,744.75 : x
  2. Step 2: Convert to fraction form
    4,982.80/6,876.32 = 2,744.75/x
  3. Step 3: Cross multiply
    4,982.80x = 6,876.32 × 2,744.75
  4. Step 4: Simplify right side
    4,982.80x = 18,873,779.32
  5. Step 5: Solve for x
    x = 18,873,779.32/4,982.80
  6. Step 6: Final answer
    x = 3,787.79

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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.