Home / 4,135.09-5,709.45-2,874.04

Finding the Fourth Proportional to 4,135.09, 5,709.45 and 2,874.04

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Solution

The fourth proportional to 4,135.09, 5,709.45 and 2,874.04 is: 3,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.09 : 5,709.45 = 2,874.04 : x
  2. Step 2: Convert to fraction form
    4,135.09/5,709.45 = 2,874.04/x
  3. Step 3: Cross multiply
    4,135.09x = 5,709.45 × 2,874.04
  4. Step 4: Simplify right side
    4,135.09x = 16,409,187.68
  5. Step 5: Solve for x
    x = 16,409,187.68/4,135.09
  6. Step 6: Final answer
    x = 3,968.28

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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.