Home / 6,800.42-10,200.64-2,186.66

Finding the Fourth Proportional to 6,800.42, 10,200.64 and 2,186.66

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Solution

The fourth proportional to 6,800.42, 10,200.64 and 2,186.66 is: 3,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.42 : 10,200.64 = 2,186.66 : x
  2. Step 2: Convert to fraction form
    6,800.42/10,200.64 = 2,186.66/x
  3. Step 3: Cross multiply
    6,800.42x = 10,200.64 × 2,186.66
  4. Step 4: Simplify right side
    6,800.42x = 22,305,331.46
  5. Step 5: Solve for x
    x = 22,305,331.46/6,800.42
  6. Step 6: Final answer
    x = 3,279.99

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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.