Home / 6,838.20-10,257.30-3,727.80

Finding the Fourth Proportional to 6,838.20, 10,257.30 and 3,727.80

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Solution

The fourth proportional to 6,838.20, 10,257.30 and 3,727.80 is: 5,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.20 : 10,257.30 = 3,727.80 : x
  2. Step 2: Convert to fraction form
    6,838.20/10,257.30 = 3,727.80/x
  3. Step 3: Cross multiply
    6,838.20x = 10,257.30 × 3,727.80
  4. Step 4: Simplify right side
    6,838.20x = 38,237,162.94
  5. Step 5: Solve for x
    x = 38,237,162.94/6,838.20
  6. Step 6: Final answer
    x = 5,591.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.