Home / 6,778.98-10,168.83-2,102.22

Finding the Fourth Proportional to 6,778.98, 10,168.83 and 2,102.22

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Solution

The fourth proportional to 6,778.98, 10,168.83 and 2,102.22 is: 3,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.98 : 10,168.83 = 2,102.22 : x
  2. Step 2: Convert to fraction form
    6,778.98/10,168.83 = 2,102.22/x
  3. Step 3: Cross multiply
    6,778.98x = 10,168.83 × 2,102.22
  4. Step 4: Simplify right side
    6,778.98x = 21,377,117.80
  5. Step 5: Solve for x
    x = 21,377,117.80/6,778.98
  6. Step 6: Final answer
    x = 3,153.44

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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.