Home / 6,311.44-8,704.66-5,553.58

Finding the Fourth Proportional to 6,311.44, 8,704.66 and 5,553.58

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Solution

The fourth proportional to 6,311.44, 8,704.66 and 5,553.58 is: 7,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.44 : 8,704.66 = 5,553.58 : x
  2. Step 2: Convert to fraction form
    6,311.44/8,704.66 = 5,553.58/x
  3. Step 3: Cross multiply
    6,311.44x = 8,704.66 × 5,553.58
  4. Step 4: Simplify right side
    6,311.44x = 48,342,025.68
  5. Step 5: Solve for x
    x = 48,342,025.68/6,311.44
  6. Step 6: Final answer
    x = 7,659.43

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1.5x scale

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.