Home / 8,163.60-12,249.99-3,483.11

Finding the Fourth Proportional to 8,163.60, 12,249.99 and 3,483.11

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Solution

The fourth proportional to 8,163.60, 12,249.99 and 3,483.11 is: 5,226.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.60 : 12,249.99 = 3,483.11 : x
  2. Step 2: Convert to fraction form
    8,163.60/12,249.99 = 3,483.11/x
  3. Step 3: Cross multiply
    8,163.60x = 12,249.99 × 3,483.11
  4. Step 4: Simplify right side
    8,163.60x = 42,668,001.42
  5. Step 5: Solve for x
    x = 42,668,001.42/8,163.60
  6. Step 6: Final answer
    x = 5,226.62

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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.