Home / 5,105.61-7,658.01-2,183.94

Finding the Fourth Proportional to 5,105.61, 7,658.01 and 2,183.94

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Solution

The fourth proportional to 5,105.61, 7,658.01 and 2,183.94 is: 3,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.61 : 7,658.01 = 2,183.94 : x
  2. Step 2: Convert to fraction form
    5,105.61/7,658.01 = 2,183.94/x
  3. Step 3: Cross multiply
    5,105.61x = 7,658.01 × 2,183.94
  4. Step 4: Simplify right side
    5,105.61x = 16,724,634.36
  5. Step 5: Solve for x
    x = 16,724,634.36/5,105.61
  6. Step 6: Final answer
    x = 3,275.74

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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.