Home / 8,183.77-12,272.01-2,986

Finding the Fourth Proportional to 8,183.77, 12,272.01 and 2,986

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Solution

The fourth proportional to 8,183.77, 12,272.01 and 2,986 is: 4,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.77 : 12,272.01 = 2,986 : x
  2. Step 2: Convert to fraction form
    8,183.77/12,272.01 = 2,986/x
  3. Step 3: Cross multiply
    8,183.77x = 12,272.01 × 2,986
  4. Step 4: Simplify right side
    8,183.77x = 36,644,221.86
  5. Step 5: Solve for x
    x = 36,644,221.86/8,183.77
  6. Step 6: Final answer
    x = 4,477.67

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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.