Home / 4,789.89-6,609.15-2,799.72

Finding the Fourth Proportional to 4,789.89, 6,609.15 and 2,799.72

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Solution

The fourth proportional to 4,789.89, 6,609.15 and 2,799.72 is: 3,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.89 : 6,609.15 = 2,799.72 : x
  2. Step 2: Convert to fraction form
    4,789.89/6,609.15 = 2,799.72/x
  3. Step 3: Cross multiply
    4,789.89x = 6,609.15 × 2,799.72
  4. Step 4: Simplify right side
    4,789.89x = 18,503,769.44
  5. Step 5: Solve for x
    x = 18,503,769.44/4,789.89
  6. Step 6: Final answer
    x = 3,863.09

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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.