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Finding the Fourth Proportional to 5,771.96, 8,658.77 and 1,821.88

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Solution

The fourth proportional to 5,771.96, 8,658.77 and 1,821.88 is: 2,733.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.96 : 8,658.77 = 1,821.88 : x
  2. Step 2: Convert to fraction form
    5,771.96/8,658.77 = 1,821.88/x
  3. Step 3: Cross multiply
    5,771.96x = 8,658.77 × 1,821.88
  4. Step 4: Simplify right side
    5,771.96x = 15,775,241.60
  5. Step 5: Solve for x
    x = 15,775,241.60/5,771.96
  6. Step 6: Final answer
    x = 2,733.08

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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.