Home / 4,418.35-6,623.57-1,643.09

Finding the Fourth Proportional to 4,418.35, 6,623.57 and 1,643.09

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Solution

The fourth proportional to 4,418.35, 6,623.57 and 1,643.09 is: 2,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.35 : 6,623.57 = 1,643.09 : x
  2. Step 2: Convert to fraction form
    4,418.35/6,623.57 = 1,643.09/x
  3. Step 3: Cross multiply
    4,418.35x = 6,623.57 × 1,643.09
  4. Step 4: Simplify right side
    4,418.35x = 10,883,092.62
  5. Step 5: Solve for x
    x = 10,883,092.62/4,418.35
  6. Step 6: Final answer
    x = 2,463.16

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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.