Home / 6,472.14-9,709.27-3,185.56

Finding the Fourth Proportional to 6,472.14, 9,709.27 and 3,185.56

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Solution

The fourth proportional to 6,472.14, 9,709.27 and 3,185.56 is: 4,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.14 : 9,709.27 = 3,185.56 : x
  2. Step 2: Convert to fraction form
    6,472.14/9,709.27 = 3,185.56/x
  3. Step 3: Cross multiply
    6,472.14x = 9,709.27 × 3,185.56
  4. Step 4: Simplify right side
    6,472.14x = 30,929,466.31
  5. Step 5: Solve for x
    x = 30,929,466.31/6,472.14
  6. Step 6: Final answer
    x = 4,778.87

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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.