Home / 6,175.28-8,521.84-3,380.76

Finding the Fourth Proportional to 6,175.28, 8,521.84 and 3,380.76

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Solution

The fourth proportional to 6,175.28, 8,521.84 and 3,380.76 is: 4,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,175.28 : 8,521.84 = 3,380.76 : x
  2. Step 2: Convert to fraction form
    6,175.28/8,521.84 = 3,380.76/x
  3. Step 3: Cross multiply
    6,175.28x = 8,521.84 × 3,380.76
  4. Step 4: Simplify right side
    6,175.28x = 28,810,295.80
  5. Step 5: Solve for x
    x = 28,810,295.80/6,175.28
  6. Step 6: Final answer
    x = 4,665.42

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Half scale
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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.