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Finding the Fourth Proportional to 7,157.53, 9,881.11 and 5,560.62

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Solution

The fourth proportional to 7,157.53, 9,881.11 and 5,560.62 is: 7,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.53 : 9,881.11 = 5,560.62 : x
  2. Step 2: Convert to fraction form
    7,157.53/9,881.11 = 5,560.62/x
  3. Step 3: Cross multiply
    7,157.53x = 9,881.11 × 5,560.62
  4. Step 4: Simplify right side
    7,157.53x = 54,945,097.89
  5. Step 5: Solve for x
    x = 54,945,097.89/7,157.53
  6. Step 6: Final answer
    x = 7,676.54

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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.