Home / 4,418.12-6,628.34-1,645.60

Finding the Fourth Proportional to 4,418.12, 6,628.34 and 1,645.60

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Solution

The fourth proportional to 4,418.12, 6,628.34 and 1,645.60 is: 2,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.12 : 6,628.34 = 1,645.60 : x
  2. Step 2: Convert to fraction form
    4,418.12/6,628.34 = 1,645.60/x
  3. Step 3: Cross multiply
    4,418.12x = 6,628.34 × 1,645.60
  4. Step 4: Simplify right side
    4,418.12x = 10,907,596.30
  5. Step 5: Solve for x
    x = 10,907,596.30/4,418.12
  6. Step 6: Final answer
    x = 2,468.83

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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.