Home / 4,986.06-6,880.52-2,747.88

Finding the Fourth Proportional to 4,986.06, 6,880.52 and 2,747.88

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Solution

The fourth proportional to 4,986.06, 6,880.52 and 2,747.88 is: 3,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.06 : 6,880.52 = 2,747.88 : x
  2. Step 2: Convert to fraction form
    4,986.06/6,880.52 = 2,747.88/x
  3. Step 3: Cross multiply
    4,986.06x = 6,880.52 × 2,747.88
  4. Step 4: Simplify right side
    4,986.06x = 18,906,843.30
  5. Step 5: Solve for x
    x = 18,906,843.30/4,986.06
  6. Step 6: Final answer
    x = 3,791.94

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1.5x scale

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.