Home / 4,025.45-5,553.39-2,768.15

Finding the Fourth Proportional to 4,025.45, 5,553.39 and 2,768.15

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Solution

The fourth proportional to 4,025.45, 5,553.39 and 2,768.15 is: 3,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025.45 : 5,553.39 = 2,768.15 : x
  2. Step 2: Convert to fraction form
    4,025.45/5,553.39 = 2,768.15/x
  3. Step 3: Cross multiply
    4,025.45x = 5,553.39 × 2,768.15
  4. Step 4: Simplify right side
    4,025.45x = 15,372,601.82
  5. Step 5: Solve for x
    x = 15,372,601.82/4,025.45
  6. Step 6: Final answer
    x = 3,818.86

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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.