Home / 8,183.63-12,272.87-2,635.79

Finding the Fourth Proportional to 8,183.63, 12,272.87 and 2,635.79

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Solution

The fourth proportional to 8,183.63, 12,272.87 and 2,635.79 is: 3,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.63 : 12,272.87 = 2,635.79 : x
  2. Step 2: Convert to fraction form
    8,183.63/12,272.87 = 2,635.79/x
  3. Step 3: Cross multiply
    8,183.63x = 12,272.87 × 2,635.79
  4. Step 4: Simplify right side
    8,183.63x = 32,348,707.45
  5. Step 5: Solve for x
    x = 32,348,707.45/8,183.63
  6. Step 6: Final answer
    x = 3,952.85

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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.