Home / 4,418.58-6,628.05-1,645.95

Finding the Fourth Proportional to 4,418.58, 6,628.05 and 1,645.95

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Solution

The fourth proportional to 4,418.58, 6,628.05 and 1,645.95 is: 2,468.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.58 : 6,628.05 = 1,645.95 : x
  2. Step 2: Convert to fraction form
    4,418.58/6,628.05 = 1,645.95/x
  3. Step 3: Cross multiply
    4,418.58x = 6,628.05 × 1,645.95
  4. Step 4: Simplify right side
    4,418.58x = 10,909,438.90
  5. Step 5: Solve for x
    x = 10,909,438.90/4,418.58
  6. Step 6: Final answer
    x = 2,468.99

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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.