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Finding the Fourth Proportional to 6,793.88, 10,192.28 and 2,113.79

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Solution

The fourth proportional to 6,793.88, 10,192.28 and 2,113.79 is: 3,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793.88 : 10,192.28 = 2,113.79 : x
  2. Step 2: Convert to fraction form
    6,793.88/10,192.28 = 2,113.79/x
  3. Step 3: Cross multiply
    6,793.88x = 10,192.28 × 2,113.79
  4. Step 4: Simplify right side
    6,793.88x = 21,544,278.01
  5. Step 5: Solve for x
    x = 21,544,278.01/6,793.88
  6. Step 6: Final answer
    x = 3,171.13

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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.