Home / 6,439.82-9,659.55-2,057.54

Finding the Fourth Proportional to 6,439.82, 9,659.55 and 2,057.54

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Solution

The fourth proportional to 6,439.82, 9,659.55 and 2,057.54 is: 3,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.82 : 9,659.55 = 2,057.54 : x
  2. Step 2: Convert to fraction form
    6,439.82/9,659.55 = 2,057.54/x
  3. Step 3: Cross multiply
    6,439.82x = 9,659.55 × 2,057.54
  4. Step 4: Simplify right side
    6,439.82x = 19,874,910.51
  5. Step 5: Solve for x
    x = 19,874,910.51/6,439.82
  6. Step 6: Final answer
    x = 3,086.25

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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.