Home / 6,175.20-8,521.96-3,380.68

Finding the Fourth Proportional to 6,175.20, 8,521.96 and 3,380.68

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Solution

The fourth proportional to 6,175.20, 8,521.96 and 3,380.68 is: 4,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,175.20 : 8,521.96 = 3,380.68 : x
  2. Step 2: Convert to fraction form
    6,175.20/8,521.96 = 3,380.68/x
  3. Step 3: Cross multiply
    6,175.20x = 8,521.96 × 3,380.68
  4. Step 4: Simplify right side
    6,175.20x = 28,810,019.73
  5. Step 5: Solve for x
    x = 28,810,019.73/6,175.20
  6. Step 6: Final answer
    x = 4,665.44

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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.