Home / 6,379.29-9,568.94-2,920.41

Finding the Fourth Proportional to 6,379.29, 9,568.94 and 2,920.41

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Solution

The fourth proportional to 6,379.29, 9,568.94 and 2,920.41 is: 4,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.29 : 9,568.94 = 2,920.41 : x
  2. Step 2: Convert to fraction form
    6,379.29/9,568.94 = 2,920.41/x
  3. Step 3: Cross multiply
    6,379.29x = 9,568.94 × 2,920.41
  4. Step 4: Simplify right side
    6,379.29x = 27,945,213.46
  5. Step 5: Solve for x
    x = 27,945,213.46/6,379.29
  6. Step 6: Final answer
    x = 4,380.62

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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.