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Finding the Fourth Proportional to 9,793.71, 13,515.61 and 5,317.75

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Solution

The fourth proportional to 9,793.71, 13,515.61 and 5,317.75 is: 7,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.71 : 13,515.61 = 5,317.75 : x
  2. Step 2: Convert to fraction form
    9,793.71/13,515.61 = 5,317.75/x
  3. Step 3: Cross multiply
    9,793.71x = 13,515.61 × 5,317.75
  4. Step 4: Simplify right side
    9,793.71x = 71,872,648.65
  5. Step 5: Solve for x
    x = 71,872,648.65/9,793.71
  6. Step 6: Final answer
    x = 7,338.65

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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.