Home / 4,441.26-6,661.88-1,321.25

Finding the Fourth Proportional to 4,441.26, 6,661.88 and 1,321.25

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Solution

The fourth proportional to 4,441.26, 6,661.88 and 1,321.25 is: 1,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.26 : 6,661.88 = 1,321.25 : x
  2. Step 2: Convert to fraction form
    4,441.26/6,661.88 = 1,321.25/x
  3. Step 3: Cross multiply
    4,441.26x = 6,661.88 × 1,321.25
  4. Step 4: Simplify right side
    4,441.26x = 8,802,008.95
  5. Step 5: Solve for x
    x = 8,802,008.95/4,441.26
  6. Step 6: Final answer
    x = 1,981.87

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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.