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Finding the Fourth Proportional to 7,023.35, 9,692.23 and 3,879.54

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Solution

The fourth proportional to 7,023.35, 9,692.23 and 3,879.54 is: 5,353.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.35 : 9,692.23 = 3,879.54 : x
  2. Step 2: Convert to fraction form
    7,023.35/9,692.23 = 3,879.54/x
  3. Step 3: Cross multiply
    7,023.35x = 9,692.23 × 3,879.54
  4. Step 4: Simplify right side
    7,023.35x = 37,601,393.97
  5. Step 5: Solve for x
    x = 37,601,393.97/7,023.35
  6. Step 6: Final answer
    x = 5,353.77

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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.