Home / 6,738.59-10,104.09-2,787.62

Finding the Fourth Proportional to 6,738.59, 10,104.09 and 2,787.62

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Solution

The fourth proportional to 6,738.59, 10,104.09 and 2,787.62 is: 4,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.59 : 10,104.09 = 2,787.62 : x
  2. Step 2: Convert to fraction form
    6,738.59/10,104.09 = 2,787.62/x
  3. Step 3: Cross multiply
    6,738.59x = 10,104.09 × 2,787.62
  4. Step 4: Simplify right side
    6,738.59x = 28,166,318.07
  5. Step 5: Solve for x
    x = 28,166,318.07/6,738.59
  6. Step 6: Final answer
    x = 4,179.85

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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.