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Finding the Fourth Proportional to 5,571.78, 8,353.88 and 2,650.38

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Solution

The fourth proportional to 5,571.78, 8,353.88 and 2,650.38 is: 3,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.78 : 8,353.88 = 2,650.38 : x
  2. Step 2: Convert to fraction form
    5,571.78/8,353.88 = 2,650.38/x
  3. Step 3: Cross multiply
    5,571.78x = 8,353.88 × 2,650.38
  4. Step 4: Simplify right side
    5,571.78x = 22,140,956.47
  5. Step 5: Solve for x
    x = 22,140,956.47/5,571.78
  6. Step 6: Final answer
    x = 3,973.77

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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.