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Finding the Fourth Proportional to 7,516.53, 10,353.92 and 5,745.15

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Solution

The fourth proportional to 7,516.53, 10,353.92 and 5,745.15 is: 7,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.53 : 10,353.92 = 5,745.15 : x
  2. Step 2: Convert to fraction form
    7,516.53/10,353.92 = 5,745.15/x
  3. Step 3: Cross multiply
    7,516.53x = 10,353.92 × 5,745.15
  4. Step 4: Simplify right side
    7,516.53x = 59,484,794.76
  5. Step 5: Solve for x
    x = 59,484,794.76/7,516.53
  6. Step 6: Final answer
    x = 7,913.86

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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.