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Finding the Fourth Proportional to 5,874.72, 8,816.40 and 2,179.38

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Solution

The fourth proportional to 5,874.72, 8,816.40 and 2,179.38 is: 3,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.72 : 8,816.40 = 2,179.38 : x
  2. Step 2: Convert to fraction form
    5,874.72/8,816.40 = 2,179.38/x
  3. Step 3: Cross multiply
    5,874.72x = 8,816.40 × 2,179.38
  4. Step 4: Simplify right side
    5,874.72x = 19,214,285.83
  5. Step 5: Solve for x
    x = 19,214,285.83/5,874.72
  6. Step 6: Final answer
    x = 3,270.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.