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Finding the Fourth Proportional to 4,889.08, 6,747.06 and 2,793.88

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Solution

The fourth proportional to 4,889.08, 6,747.06 and 2,793.88 is: 3,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.08 : 6,747.06 = 2,793.88 : x
  2. Step 2: Convert to fraction form
    4,889.08/6,747.06 = 2,793.88/x
  3. Step 3: Cross multiply
    4,889.08x = 6,747.06 × 2,793.88
  4. Step 4: Simplify right side
    4,889.08x = 18,850,475.99
  5. Step 5: Solve for x
    x = 18,850,475.99/4,889.08
  6. Step 6: Final answer
    x = 3,855.63

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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.