Home / 4,139.56-6,201.06-2,491.12

Finding the Fourth Proportional to 4,139.56, 6,201.06 and 2,491.12

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Solution

The fourth proportional to 4,139.56, 6,201.06 and 2,491.12 is: 3,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.56 : 6,201.06 = 2,491.12 : x
  2. Step 2: Convert to fraction form
    4,139.56/6,201.06 = 2,491.12/x
  3. Step 3: Cross multiply
    4,139.56x = 6,201.06 × 2,491.12
  4. Step 4: Simplify right side
    4,139.56x = 15,447,584.59
  5. Step 5: Solve for x
    x = 15,447,584.59/4,139.56
  6. Step 6: Final answer
    x = 3,731.70

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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.