Home / 5,142.96-7,717.08-2,183.43

Finding the Fourth Proportional to 5,142.96, 7,717.08 and 2,183.43

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Solution

The fourth proportional to 5,142.96, 7,717.08 and 2,183.43 is: 3,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.96 : 7,717.08 = 2,183.43 : x
  2. Step 2: Convert to fraction form
    5,142.96/7,717.08 = 2,183.43/x
  3. Step 3: Cross multiply
    5,142.96x = 7,717.08 × 2,183.43
  4. Step 4: Simplify right side
    5,142.96x = 16,849,703.98
  5. Step 5: Solve for x
    x = 16,849,703.98/5,142.96
  6. Step 6: Final answer
    x = 3,276.27

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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.