Home / 4,135.74-6,189.30-2,553.81

Finding the Fourth Proportional to 4,135.74, 6,189.30 and 2,553.81

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Solution

The fourth proportional to 4,135.74, 6,189.30 and 2,553.81 is: 3,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.74 : 6,189.30 = 2,553.81 : x
  2. Step 2: Convert to fraction form
    4,135.74/6,189.30 = 2,553.81/x
  3. Step 3: Cross multiply
    4,135.74x = 6,189.30 × 2,553.81
  4. Step 4: Simplify right side
    4,135.74x = 15,806,265.29
  5. Step 5: Solve for x
    x = 15,806,265.29/4,135.74
  6. Step 6: Final answer
    x = 3,821.88

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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.