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Finding the Fourth Proportional to 6,321.04, 8,706.08 and 5,481.78

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Solution

The fourth proportional to 6,321.04, 8,706.08 and 5,481.78 is: 7,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.04 : 8,706.08 = 5,481.78 : x
  2. Step 2: Convert to fraction form
    6,321.04/8,706.08 = 5,481.78/x
  3. Step 3: Cross multiply
    6,321.04x = 8,706.08 × 5,481.78
  4. Step 4: Simplify right side
    6,321.04x = 47,724,796.28
  5. Step 5: Solve for x
    x = 47,724,796.28/6,321.04
  6. Step 6: Final answer
    x = 7,550.15

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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.