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Finding the Fourth Proportional to 7,372.92, 10,174.68 and 4,390.23

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Solution

The fourth proportional to 7,372.92, 10,174.68 and 4,390.23 is: 6,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.92 : 10,174.68 = 4,390.23 : x
  2. Step 2: Convert to fraction form
    7,372.92/10,174.68 = 4,390.23/x
  3. Step 3: Cross multiply
    7,372.92x = 10,174.68 × 4,390.23
  4. Step 4: Simplify right side
    7,372.92x = 44,669,183.55
  5. Step 5: Solve for x
    x = 44,669,183.55/7,372.92
  6. Step 6: Final answer
    x = 6,058.54

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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.