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Finding the Fourth Proportional to 5,672.69, 8,506.11 and 2,550.03

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Solution

The fourth proportional to 5,672.69, 8,506.11 and 2,550.03 is: 3,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.69 : 8,506.11 = 2,550.03 : x
  2. Step 2: Convert to fraction form
    5,672.69/8,506.11 = 2,550.03/x
  3. Step 3: Cross multiply
    5,672.69x = 8,506.11 × 2,550.03
  4. Step 4: Simplify right side
    5,672.69x = 21,690,835.68
  5. Step 5: Solve for x
    x = 21,690,835.68/5,672.69
  6. Step 6: Final answer
    x = 3,823.73

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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.