Home / 8,629.44-12,944.84-3,082.56

Finding the Fourth Proportional to 8,629.44, 12,944.84 and 3,082.56

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Solution

The fourth proportional to 8,629.44, 12,944.84 and 3,082.56 is: 4,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.44 : 12,944.84 = 3,082.56 : x
  2. Step 2: Convert to fraction form
    8,629.44/12,944.84 = 3,082.56/x
  3. Step 3: Cross multiply
    8,629.44x = 12,944.84 × 3,082.56
  4. Step 4: Simplify right side
    8,629.44x = 39,903,245.99
  5. Step 5: Solve for x
    x = 39,903,245.99/8,629.44
  6. Step 6: Final answer
    x = 4,624.08

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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.