Home / 6,778.14-10,170.11-3,657.42

Finding the Fourth Proportional to 6,778.14, 10,170.11 and 3,657.42

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Solution

The fourth proportional to 6,778.14, 10,170.11 and 3,657.42 is: 5,487.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.14 : 10,170.11 = 3,657.42 : x
  2. Step 2: Convert to fraction form
    6,778.14/10,170.11 = 3,657.42/x
  3. Step 3: Cross multiply
    6,778.14x = 10,170.11 × 3,657.42
  4. Step 4: Simplify right side
    6,778.14x = 37,196,345.43
  5. Step 5: Solve for x
    x = 37,196,345.43/6,778.14
  6. Step 6: Final answer
    x = 5,487.69

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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.