Home / 6,778.62-9,350.91-3,982.50

Finding the Fourth Proportional to 6,778.62, 9,350.91 and 3,982.50

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Solution

The fourth proportional to 6,778.62, 9,350.91 and 3,982.50 is: 5,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.62 : 9,350.91 = 3,982.50 : x
  2. Step 2: Convert to fraction form
    6,778.62/9,350.91 = 3,982.50/x
  3. Step 3: Cross multiply
    6,778.62x = 9,350.91 × 3,982.50
  4. Step 4: Simplify right side
    6,778.62x = 37,239,999.08
  5. Step 5: Solve for x
    x = 37,239,999.08/6,778.62
  6. Step 6: Final answer
    x = 5,493.74

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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.