Home / 4,902.28-6,765.60-2,806

Finding the Fourth Proportional to 4,902.28, 6,765.60 and 2,806

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Solution

The fourth proportional to 4,902.28, 6,765.60 and 2,806 is: 3,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.28 : 6,765.60 = 2,806 : x
  2. Step 2: Convert to fraction form
    4,902.28/6,765.60 = 2,806/x
  3. Step 3: Cross multiply
    4,902.28x = 6,765.60 × 2,806
  4. Step 4: Simplify right side
    4,902.28x = 18,984,273.60
  5. Step 5: Solve for x
    x = 18,984,273.60/4,902.28
  6. Step 6: Final answer
    x = 3,872.54

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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.