Home / 4,845.92-6,687.78-2,750

Finding the Fourth Proportional to 4,845.92, 6,687.78 and 2,750

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Solution

The fourth proportional to 4,845.92, 6,687.78 and 2,750 is: 3,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.92 : 6,687.78 = 2,750 : x
  2. Step 2: Convert to fraction form
    4,845.92/6,687.78 = 2,750/x
  3. Step 3: Cross multiply
    4,845.92x = 6,687.78 × 2,750
  4. Step 4: Simplify right side
    4,845.92x = 18,391,395
  5. Step 5: Solve for x
    x = 18,391,395/4,845.92
  6. Step 6: Final answer
    x = 3,795.23

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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.