Home / 5,183.19-7,767.72-3,789.99

Finding the Fourth Proportional to 5,183.19, 7,767.72 and 3,789.99

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Solution

The fourth proportional to 5,183.19, 7,767.72 and 3,789.99 is: 5,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.19 : 7,767.72 = 3,789.99 : x
  2. Step 2: Convert to fraction form
    5,183.19/7,767.72 = 3,789.99/x
  3. Step 3: Cross multiply
    5,183.19x = 7,767.72 × 3,789.99
  4. Step 4: Simplify right side
    5,183.19x = 29,439,581.12
  5. Step 5: Solve for x
    x = 29,439,581.12/5,183.19
  6. Step 6: Final answer
    x = 5,679.82

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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.