Home / 7,442.64-11,163.90-2,512.26

Finding the Fourth Proportional to 7,442.64, 11,163.90 and 2,512.26

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Solution

The fourth proportional to 7,442.64, 11,163.90 and 2,512.26 is: 3,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.64 : 11,163.90 = 2,512.26 : x
  2. Step 2: Convert to fraction form
    7,442.64/11,163.90 = 2,512.26/x
  3. Step 3: Cross multiply
    7,442.64x = 11,163.90 × 2,512.26
  4. Step 4: Simplify right side
    7,442.64x = 28,046,619.41
  5. Step 5: Solve for x
    x = 28,046,619.41/7,442.64
  6. Step 6: Final answer
    x = 3,768.37

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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.