Home / 6,272.44-8,656.68-3,620.56

Finding the Fourth Proportional to 6,272.44, 8,656.68 and 3,620.56

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Solution

The fourth proportional to 6,272.44, 8,656.68 and 3,620.56 is: 4,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.44 : 8,656.68 = 3,620.56 : x
  2. Step 2: Convert to fraction form
    6,272.44/8,656.68 = 3,620.56/x
  3. Step 3: Cross multiply
    6,272.44x = 8,656.68 × 3,620.56
  4. Step 4: Simplify right side
    6,272.44x = 31,342,029.34
  5. Step 5: Solve for x
    x = 31,342,029.34/6,272.44
  6. Step 6: Final answer
    x = 4,996.78

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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.