Home / 6,239.58-9,365.72-3,121.85

Finding the Fourth Proportional to 6,239.58, 9,365.72 and 3,121.85

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Solution

The fourth proportional to 6,239.58, 9,365.72 and 3,121.85 is: 4,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.58 : 9,365.72 = 3,121.85 : x
  2. Step 2: Convert to fraction form
    6,239.58/9,365.72 = 3,121.85/x
  3. Step 3: Cross multiply
    6,239.58x = 9,365.72 × 3,121.85
  4. Step 4: Simplify right side
    6,239.58x = 29,238,310.54
  5. Step 5: Solve for x
    x = 29,238,310.54/6,239.58
  6. Step 6: Final answer
    x = 4,685.94

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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.