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Finding the Fourth Proportional to 6,820.67, 10,231.01 and 2,922.37

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Solution

The fourth proportional to 6,820.67, 10,231.01 and 2,922.37 is: 4,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.67 : 10,231.01 = 2,922.37 : x
  2. Step 2: Convert to fraction form
    6,820.67/10,231.01 = 2,922.37/x
  3. Step 3: Cross multiply
    6,820.67x = 10,231.01 × 2,922.37
  4. Step 4: Simplify right side
    6,820.67x = 29,898,796.69
  5. Step 5: Solve for x
    x = 29,898,796.69/6,820.67
  6. Step 6: Final answer
    x = 4,383.56

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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.