Home / 7,299.11-10,949.27-3,139.22

Finding the Fourth Proportional to 7,299.11, 10,949.27 and 3,139.22

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Solution

The fourth proportional to 7,299.11, 10,949.27 and 3,139.22 is: 4,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.11 : 10,949.27 = 3,139.22 : x
  2. Step 2: Convert to fraction form
    7,299.11/10,949.27 = 3,139.22/x
  3. Step 3: Cross multiply
    7,299.11x = 10,949.27 × 3,139.22
  4. Step 4: Simplify right side
    7,299.11x = 34,372,096.93
  5. Step 5: Solve for x
    x = 34,372,096.93/7,299.11
  6. Step 6: Final answer
    x = 4,709.08

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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.