Home / 6,245.72-8,620.16-3,727.96

Finding the Fourth Proportional to 6,245.72, 8,620.16 and 3,727.96

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Solution

The fourth proportional to 6,245.72, 8,620.16 and 3,727.96 is: 5,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.72 : 8,620.16 = 3,727.96 : x
  2. Step 2: Convert to fraction form
    6,245.72/8,620.16 = 3,727.96/x
  3. Step 3: Cross multiply
    6,245.72x = 8,620.16 × 3,727.96
  4. Step 4: Simplify right side
    6,245.72x = 32,135,611.67
  5. Step 5: Solve for x
    x = 32,135,611.67/6,245.72
  6. Step 6: Final answer
    x = 5,145.22

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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.