Home / 7,515.05-11,274-2,836.47

Finding the Fourth Proportional to 7,515.05, 11,274 and 2,836.47

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Solution

The fourth proportional to 7,515.05, 11,274 and 2,836.47 is: 4,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.05 : 11,274 = 2,836.47 : x
  2. Step 2: Convert to fraction form
    7,515.05/11,274 = 2,836.47/x
  3. Step 3: Cross multiply
    7,515.05x = 11,274 × 2,836.47
  4. Step 4: Simplify right side
    7,515.05x = 31,978,362.78
  5. Step 5: Solve for x
    x = 31,978,362.78/7,515.05
  6. Step 6: Final answer
    x = 4,255.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.