Home / 6,972.56-10,456.24-2,811.16

Finding the Fourth Proportional to 6,972.56, 10,456.24 and 2,811.16

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Solution

The fourth proportional to 6,972.56, 10,456.24 and 2,811.16 is: 4,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.56 : 10,456.24 = 2,811.16 : x
  2. Step 2: Convert to fraction form
    6,972.56/10,456.24 = 2,811.16/x
  3. Step 3: Cross multiply
    6,972.56x = 10,456.24 × 2,811.16
  4. Step 4: Simplify right side
    6,972.56x = 29,394,163.64
  5. Step 5: Solve for x
    x = 29,394,163.64/6,972.56
  6. Step 6: Final answer
    x = 4,215.69

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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.