Home / 8,027.40-12,028.14-4,119.96

Finding the Fourth Proportional to 8,027.40, 12,028.14 and 4,119.96

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Solution

The fourth proportional to 8,027.40, 12,028.14 and 4,119.96 is: 6,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,027.40 : 12,028.14 = 4,119.96 : x
  2. Step 2: Convert to fraction form
    8,027.40/12,028.14 = 4,119.96/x
  3. Step 3: Cross multiply
    8,027.40x = 12,028.14 × 4,119.96
  4. Step 4: Simplify right side
    8,027.40x = 49,555,455.67
  5. Step 5: Solve for x
    x = 49,555,455.67/8,027.40
  6. Step 6: Final answer
    x = 6,173.29

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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.