Home / 6,309.41-9,469.97-3,191.61

Finding the Fourth Proportional to 6,309.41, 9,469.97 and 3,191.61

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Solution

The fourth proportional to 6,309.41, 9,469.97 and 3,191.61 is: 4,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.41 : 9,469.97 = 3,191.61 : x
  2. Step 2: Convert to fraction form
    6,309.41/9,469.97 = 3,191.61/x
  3. Step 3: Cross multiply
    6,309.41x = 9,469.97 × 3,191.61
  4. Step 4: Simplify right side
    6,309.41x = 30,224,482.47
  5. Step 5: Solve for x
    x = 30,224,482.47/6,309.41
  6. Step 6: Final answer
    x = 4,790.39

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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.