Home / 4,441-6,128.82-2,578.60

Finding the Fourth Proportional to 4,441, 6,128.82 and 2,578.60

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Solution

The fourth proportional to 4,441, 6,128.82 and 2,578.60 is: 3,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441 : 6,128.82 = 2,578.60 : x
  2. Step 2: Convert to fraction form
    4,441/6,128.82 = 2,578.60/x
  3. Step 3: Cross multiply
    4,441x = 6,128.82 × 2,578.60
  4. Step 4: Simplify right side
    4,441x = 15,803,775.25
  5. Step 5: Solve for x
    x = 15,803,775.25/4,441
  6. Step 6: Final answer
    x = 3,558.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.