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Finding the Fourth Proportional to 6,312.18, 8,709.80 and 3,793.69

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Solution

The fourth proportional to 6,312.18, 8,709.80 and 3,793.69 is: 5,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.18 : 8,709.80 = 3,793.69 : x
  2. Step 2: Convert to fraction form
    6,312.18/8,709.80 = 3,793.69/x
  3. Step 3: Cross multiply
    6,312.18x = 8,709.80 × 3,793.69
  4. Step 4: Simplify right side
    6,312.18x = 33,042,273.08
  5. Step 5: Solve for x
    x = 33,042,273.08/6,312.18
  6. Step 6: Final answer
    x = 5,234.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.