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Finding the Fourth Proportional to 4,983.66, 7,471.98 and 2,208.83

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Solution

The fourth proportional to 4,983.66, 7,471.98 and 2,208.83 is: 3,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.66 : 7,471.98 = 2,208.83 : x
  2. Step 2: Convert to fraction form
    4,983.66/7,471.98 = 2,208.83/x
  3. Step 3: Cross multiply
    4,983.66x = 7,471.98 × 2,208.83
  4. Step 4: Simplify right side
    4,983.66x = 16,504,296.22
  5. Step 5: Solve for x
    x = 16,504,296.22/4,983.66
  6. Step 6: Final answer
    x = 3,311.68

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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.