Home / 4,158.11-6,236.38-1,786.61

Finding the Fourth Proportional to 4,158.11, 6,236.38 and 1,786.61

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Solution

The fourth proportional to 4,158.11, 6,236.38 and 1,786.61 is: 2,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.11 : 6,236.38 = 1,786.61 : x
  2. Step 2: Convert to fraction form
    4,158.11/6,236.38 = 1,786.61/x
  3. Step 3: Cross multiply
    4,158.11x = 6,236.38 × 1,786.61
  4. Step 4: Simplify right side
    4,158.11x = 11,141,947.69
  5. Step 5: Solve for x
    x = 11,141,947.69/4,158.11
  6. Step 6: Final answer
    x = 2,679.57

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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.