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Finding the Fourth Proportional to 8,376.72, 11,560.46 and 5,539.16

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Solution

The fourth proportional to 8,376.72, 11,560.46 and 5,539.16 is: 7,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.72 : 11,560.46 = 5,539.16 : x
  2. Step 2: Convert to fraction form
    8,376.72/11,560.46 = 5,539.16/x
  3. Step 3: Cross multiply
    8,376.72x = 11,560.46 × 5,539.16
  4. Step 4: Simplify right side
    8,376.72x = 64,035,237.61
  5. Step 5: Solve for x
    x = 64,035,237.61/8,376.72
  6. Step 6: Final answer
    x = 7,644.43

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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.