Home / 6,439.94-9,659.91-2,057.73

Finding the Fourth Proportional to 6,439.94, 9,659.91 and 2,057.73

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Solution

The fourth proportional to 6,439.94, 9,659.91 and 2,057.73 is: 3,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.94 : 9,659.91 = 2,057.73 : x
  2. Step 2: Convert to fraction form
    6,439.94/9,659.91 = 2,057.73/x
  3. Step 3: Cross multiply
    6,439.94x = 9,659.91 × 2,057.73
  4. Step 4: Simplify right side
    6,439.94x = 19,877,486.60
  5. Step 5: Solve for x
    x = 19,877,486.60/6,439.94
  6. Step 6: Final answer
    x = 3,086.60

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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.