Home / 8,217.56-11,340.38-4,491.48

Finding the Fourth Proportional to 8,217.56, 11,340.38 and 4,491.48

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Solution

The fourth proportional to 8,217.56, 11,340.38 and 4,491.48 is: 6,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.56 : 11,340.38 = 4,491.48 : x
  2. Step 2: Convert to fraction form
    8,217.56/11,340.38 = 4,491.48/x
  3. Step 3: Cross multiply
    8,217.56x = 11,340.38 × 4,491.48
  4. Step 4: Simplify right side
    8,217.56x = 50,935,089.96
  5. Step 5: Solve for x
    x = 50,935,089.96/8,217.56
  6. Step 6: Final answer
    x = 6,198.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.