Home / 4,101.22-6,139.28-3,313.90

Finding the Fourth Proportional to 4,101.22, 6,139.28 and 3,313.90

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Solution

The fourth proportional to 4,101.22, 6,139.28 and 3,313.90 is: 4,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.22 : 6,139.28 = 3,313.90 : x
  2. Step 2: Convert to fraction form
    4,101.22/6,139.28 = 3,313.90/x
  3. Step 3: Cross multiply
    4,101.22x = 6,139.28 × 3,313.90
  4. Step 4: Simplify right side
    4,101.22x = 20,344,943.42
  5. Step 5: Solve for x
    x = 20,344,943.42/4,101.22
  6. Step 6: Final answer
    x = 4,960.71

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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.