Home / 4,786.63-7,180.49-2,189.23

Finding the Fourth Proportional to 4,786.63, 7,180.49 and 2,189.23

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Solution

The fourth proportional to 4,786.63, 7,180.49 and 2,189.23 is: 3,284.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.63 : 7,180.49 = 2,189.23 : x
  2. Step 2: Convert to fraction form
    4,786.63/7,180.49 = 2,189.23/x
  3. Step 3: Cross multiply
    4,786.63x = 7,180.49 × 2,189.23
  4. Step 4: Simplify right side
    4,786.63x = 15,719,744.12
  5. Step 5: Solve for x
    x = 15,719,744.12/4,786.63
  6. Step 6: Final answer
    x = 3,284.09

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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.