Home / 6,939.88-10,383.90-4,019.56

Finding the Fourth Proportional to 6,939.88, 10,383.90 and 4,019.56

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Solution

The fourth proportional to 6,939.88, 10,383.90 and 4,019.56 is: 6,014.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.88 : 10,383.90 = 4,019.56 : x
  2. Step 2: Convert to fraction form
    6,939.88/10,383.90 = 4,019.56/x
  3. Step 3: Cross multiply
    6,939.88x = 10,383.90 × 4,019.56
  4. Step 4: Simplify right side
    6,939.88x = 41,738,709.08
  5. Step 5: Solve for x
    x = 41,738,709.08/6,939.88
  6. Step 6: Final answer
    x = 6,014.33

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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.