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Finding the Fourth Proportional to 6,471.23, 8,928.24 and 3,781.22

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Solution

The fourth proportional to 6,471.23, 8,928.24 and 3,781.22 is: 5,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.23 : 8,928.24 = 3,781.22 : x
  2. Step 2: Convert to fraction form
    6,471.23/8,928.24 = 3,781.22/x
  3. Step 3: Cross multiply
    6,471.23x = 8,928.24 × 3,781.22
  4. Step 4: Simplify right side
    6,471.23x = 33,759,639.65
  5. Step 5: Solve for x
    x = 33,759,639.65/6,471.23
  6. Step 6: Final answer
    x = 5,216.88

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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.