Home / 6,456.82-9,685.98-2,759.48

Finding the Fourth Proportional to 6,456.82, 9,685.98 and 2,759.48

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Solution

The fourth proportional to 6,456.82, 9,685.98 and 2,759.48 is: 4,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.82 : 9,685.98 = 2,759.48 : x
  2. Step 2: Convert to fraction form
    6,456.82/9,685.98 = 2,759.48/x
  3. Step 3: Cross multiply
    6,456.82x = 9,685.98 × 2,759.48
  4. Step 4: Simplify right side
    6,456.82x = 26,728,268.09
  5. Step 5: Solve for x
    x = 26,728,268.09/6,456.82
  6. Step 6: Final answer
    x = 4,139.54

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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.