Home / 7,481.91-11,223.94-2,287.11

Finding the Fourth Proportional to 7,481.91, 11,223.94 and 2,287.11

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Solution

The fourth proportional to 7,481.91, 11,223.94 and 2,287.11 is: 3,430.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.91 : 11,223.94 = 2,287.11 : x
  2. Step 2: Convert to fraction form
    7,481.91/11,223.94 = 2,287.11/x
  3. Step 3: Cross multiply
    7,481.91x = 11,223.94 × 2,287.11
  4. Step 4: Simplify right side
    7,481.91x = 25,670,385.41
  5. Step 5: Solve for x
    x = 25,670,385.41/7,481.91
  6. Step 6: Final answer
    x = 3,430.99

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1.5x scale

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.