Home / 6,371.30-9,539.66-3,286.82

Finding the Fourth Proportional to 6,371.30, 9,539.66 and 3,286.82

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Solution

The fourth proportional to 6,371.30, 9,539.66 and 3,286.82 is: 4,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.30 : 9,539.66 = 3,286.82 : x
  2. Step 2: Convert to fraction form
    6,371.30/9,539.66 = 3,286.82/x
  3. Step 3: Cross multiply
    6,371.30x = 9,539.66 × 3,286.82
  4. Step 4: Simplify right side
    6,371.30x = 31,355,145.28
  5. Step 5: Solve for x
    x = 31,355,145.28/6,371.30
  6. Step 6: Final answer
    x = 4,921.31

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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.