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Finding the Fourth Proportional to 9,879.44, 13,633.44 and 5,402.96

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Solution

The fourth proportional to 9,879.44, 13,633.44 and 5,402.96 is: 7,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.44 : 13,633.44 = 5,402.96 : x
  2. Step 2: Convert to fraction form
    9,879.44/13,633.44 = 5,402.96/x
  3. Step 3: Cross multiply
    9,879.44x = 13,633.44 × 5,402.96
  4. Step 4: Simplify right side
    9,879.44x = 73,660,930.98
  5. Step 5: Solve for x
    x = 73,660,930.98/9,879.44
  6. Step 6: Final answer
    x = 7,455.98

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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.