Home / 4,819.06-6,650.40-2,722.78

Finding the Fourth Proportional to 4,819.06, 6,650.40 and 2,722.78

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Solution

The fourth proportional to 4,819.06, 6,650.40 and 2,722.78 is: 3,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.06 : 6,650.40 = 2,722.78 : x
  2. Step 2: Convert to fraction form
    4,819.06/6,650.40 = 2,722.78/x
  3. Step 3: Cross multiply
    4,819.06x = 6,650.40 × 2,722.78
  4. Step 4: Simplify right side
    4,819.06x = 18,107,576.11
  5. Step 5: Solve for x
    x = 18,107,576.11/4,819.06
  6. Step 6: Final answer
    x = 3,757.49

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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.