Home / 8,217.50-11,340.33-4,491.50

Finding the Fourth Proportional to 8,217.50, 11,340.33 and 4,491.50

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Solution

The fourth proportional to 8,217.50, 11,340.33 and 4,491.50 is: 6,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.50 : 11,340.33 = 4,491.50 : x
  2. Step 2: Convert to fraction form
    8,217.50/11,340.33 = 4,491.50/x
  3. Step 3: Cross multiply
    8,217.50x = 11,340.33 × 4,491.50
  4. Step 4: Simplify right side
    8,217.50x = 50,935,092.20
  5. Step 5: Solve for x
    x = 50,935,092.20/8,217.50
  6. Step 6: Final answer
    x = 6,198.37

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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.