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Finding the Fourth Proportional to 6,992.97, 9,650.31 and 4,010.54

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Solution

The fourth proportional to 6,992.97, 9,650.31 and 4,010.54 is: 5,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.97 : 9,650.31 = 4,010.54 : x
  2. Step 2: Convert to fraction form
    6,992.97/9,650.31 = 4,010.54/x
  3. Step 3: Cross multiply
    6,992.97x = 9,650.31 × 4,010.54
  4. Step 4: Simplify right side
    6,992.97x = 38,702,906.02
  5. Step 5: Solve for x
    x = 38,702,906.02/6,992.97
  6. Step 6: Final answer
    x = 5,534.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.