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Finding the Fourth Proportional to 5,672.83, 8,504.64 and 2,550.55

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Solution

The fourth proportional to 5,672.83, 8,504.64 and 2,550.55 is: 3,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.83 : 8,504.64 = 2,550.55 : x
  2. Step 2: Convert to fraction form
    5,672.83/8,504.64 = 2,550.55/x
  3. Step 3: Cross multiply
    5,672.83x = 8,504.64 × 2,550.55
  4. Step 4: Simplify right side
    5,672.83x = 21,691,467.03
  5. Step 5: Solve for x
    x = 21,691,467.03/5,672.83
  6. Step 6: Final answer
    x = 3,823.75

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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.