Home / 8,170.49-12,260.39-6,800.42

Finding the Fourth Proportional to 8,170.49, 12,260.39 and 6,800.42

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Solution

The fourth proportional to 8,170.49, 12,260.39 and 6,800.42 is: 10,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.49 : 12,260.39 = 6,800.42 : x
  2. Step 2: Convert to fraction form
    8,170.49/12,260.39 = 6,800.42/x
  3. Step 3: Cross multiply
    8,170.49x = 12,260.39 × 6,800.42
  4. Step 4: Simplify right side
    8,170.49x = 83,375,706.06
  5. Step 5: Solve for x
    x = 83,375,706.06/8,170.49
  6. Step 6: Final answer
    x = 10,204.50

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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.