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Finding the Fourth Proportional to 9,231.66, 13,847.03 and 3,387.81

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Solution

The fourth proportional to 9,231.66, 13,847.03 and 3,387.81 is: 5,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.66 : 13,847.03 = 3,387.81 : x
  2. Step 2: Convert to fraction form
    9,231.66/13,847.03 = 3,387.81/x
  3. Step 3: Cross multiply
    9,231.66x = 13,847.03 × 3,387.81
  4. Step 4: Simplify right side
    9,231.66x = 46,911,106.70
  5. Step 5: Solve for x
    x = 46,911,106.70/9,231.66
  6. Step 6: Final answer
    x = 5,081.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.