Home / 8,138.03-12,209.99-3,204.93

Finding the Fourth Proportional to 8,138.03, 12,209.99 and 3,204.93

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Solution

The fourth proportional to 8,138.03, 12,209.99 and 3,204.93 is: 4,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.03 : 12,209.99 = 3,204.93 : x
  2. Step 2: Convert to fraction form
    8,138.03/12,209.99 = 3,204.93/x
  3. Step 3: Cross multiply
    8,138.03x = 12,209.99 × 3,204.93
  4. Step 4: Simplify right side
    8,138.03x = 39,132,163.25
  5. Step 5: Solve for x
    x = 39,132,163.25/8,138.03
  6. Step 6: Final answer
    x = 4,808.55

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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.