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Finding the Fourth Proportional to 9,793.92, 13,515.75 and 5,317.68

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Solution

The fourth proportional to 9,793.92, 13,515.75 and 5,317.68 is: 7,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.92 : 13,515.75 = 5,317.68 : x
  2. Step 2: Convert to fraction form
    9,793.92/13,515.75 = 5,317.68/x
  3. Step 3: Cross multiply
    9,793.92x = 13,515.75 × 5,317.68
  4. Step 4: Simplify right side
    9,793.92x = 71,872,433.46
  5. Step 5: Solve for x
    x = 71,872,433.46/9,793.92
  6. Step 6: Final answer
    x = 7,338.47

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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.