Home / 8,018.28-12,027.42-3,856.92

Finding the Fourth Proportional to 8,018.28, 12,027.42 and 3,856.92

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Solution

The fourth proportional to 8,018.28, 12,027.42 and 3,856.92 is: 5,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.28 : 12,027.42 = 3,856.92 : x
  2. Step 2: Convert to fraction form
    8,018.28/12,027.42 = 3,856.92/x
  3. Step 3: Cross multiply
    8,018.28x = 12,027.42 × 3,856.92
  4. Step 4: Simplify right side
    8,018.28x = 46,388,796.75
  5. Step 5: Solve for x
    x = 46,388,796.75/8,018.28
  6. Step 6: Final answer
    x = 5,785.38

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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.