Home / 8,247.04-11,375.80-5,414.60

Finding the Fourth Proportional to 8,247.04, 11,375.80 and 5,414.60

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Solution

The fourth proportional to 8,247.04, 11,375.80 and 5,414.60 is: 7,468.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.04 : 11,375.80 = 5,414.60 : x
  2. Step 2: Convert to fraction form
    8,247.04/11,375.80 = 5,414.60/x
  3. Step 3: Cross multiply
    8,247.04x = 11,375.80 × 5,414.60
  4. Step 4: Simplify right side
    8,247.04x = 61,595,406.68
  5. Step 5: Solve for x
    x = 61,595,406.68/8,247.04
  6. Step 6: Final answer
    x = 7,468.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.