Home / 6,742.36-10,111.92-3,453.76

Finding the Fourth Proportional to 6,742.36, 10,111.92 and 3,453.76

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Solution

The fourth proportional to 6,742.36, 10,111.92 and 3,453.76 is: 5,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.36 : 10,111.92 = 3,453.76 : x
  2. Step 2: Convert to fraction form
    6,742.36/10,111.92 = 3,453.76/x
  3. Step 3: Cross multiply
    6,742.36x = 10,111.92 × 3,453.76
  4. Step 4: Simplify right side
    6,742.36x = 34,924,102.27
  5. Step 5: Solve for x
    x = 34,924,102.27/6,742.36
  6. Step 6: Final answer
    x = 5,179.81

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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.