Home / 4,239.37-6,356.62-3,994.75

Finding the Fourth Proportional to 4,239.37, 6,356.62 and 3,994.75

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Solution

The fourth proportional to 4,239.37, 6,356.62 and 3,994.75 is: 5,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.37 : 6,356.62 = 3,994.75 : x
  2. Step 2: Convert to fraction form
    4,239.37/6,356.62 = 3,994.75/x
  3. Step 3: Cross multiply
    4,239.37x = 6,356.62 × 3,994.75
  4. Step 4: Simplify right side
    4,239.37x = 25,393,107.75
  5. Step 5: Solve for x
    x = 25,393,107.75/4,239.37
  6. Step 6: Final answer
    x = 5,989.83

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Half scale
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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.