Home / 4,418.84-6,628.26-1,645.44

Finding the Fourth Proportional to 4,418.84, 6,628.26 and 1,645.44

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Solution

The fourth proportional to 4,418.84, 6,628.26 and 1,645.44 is: 2,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.84 : 6,628.26 = 1,645.44 : x
  2. Step 2: Convert to fraction form
    4,418.84/6,628.26 = 1,645.44/x
  3. Step 3: Cross multiply
    4,418.84x = 6,628.26 × 1,645.44
  4. Step 4: Simplify right side
    4,418.84x = 10,906,404.13
  5. Step 5: Solve for x
    x = 10,906,404.13/4,418.84
  6. Step 6: Final answer
    x = 2,468.16

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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.