Home / 4,083.92-5,629.20-2,826.80

Finding the Fourth Proportional to 4,083.92, 5,629.20 and 2,826.80

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Solution

The fourth proportional to 4,083.92, 5,629.20 and 2,826.80 is: 3,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.92 : 5,629.20 = 2,826.80 : x
  2. Step 2: Convert to fraction form
    4,083.92/5,629.20 = 2,826.80/x
  3. Step 3: Cross multiply
    4,083.92x = 5,629.20 × 2,826.80
  4. Step 4: Simplify right side
    4,083.92x = 15,912,622.56
  5. Step 5: Solve for x
    x = 15,912,622.56/4,083.92
  6. Step 6: Final answer
    x = 3,896.41

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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.