Home / 7,884.53-11,825.27-2,618.72

Finding the Fourth Proportional to 7,884.53, 11,825.27 and 2,618.72

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Solution

The fourth proportional to 7,884.53, 11,825.27 and 2,618.72 is: 3,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.53 : 11,825.27 = 2,618.72 : x
  2. Step 2: Convert to fraction form
    7,884.53/11,825.27 = 2,618.72/x
  3. Step 3: Cross multiply
    7,884.53x = 11,825.27 × 2,618.72
  4. Step 4: Simplify right side
    7,884.53x = 30,967,071.05
  5. Step 5: Solve for x
    x = 30,967,071.05/7,884.53
  6. Step 6: Final answer
    x = 3,927.57

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Why These Related Problems?

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