Home / 4,163.28-6,242.83-1,388.97

Finding the Fourth Proportional to 4,163.28, 6,242.83 and 1,388.97

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Solution

The fourth proportional to 4,163.28, 6,242.83 and 1,388.97 is: 2,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.28 : 6,242.83 = 1,388.97 : x
  2. Step 2: Convert to fraction form
    4,163.28/6,242.83 = 1,388.97/x
  3. Step 3: Cross multiply
    4,163.28x = 6,242.83 × 1,388.97
  4. Step 4: Simplify right side
    4,163.28x = 8,671,103.59
  5. Step 5: Solve for x
    x = 8,671,103.59/4,163.28
  6. Step 6: Final answer
    x = 2,082.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.