Home / 7,491.78-11,239.43-2,226.83

Finding the Fourth Proportional to 7,491.78, 11,239.43 and 2,226.83

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Solution

The fourth proportional to 7,491.78, 11,239.43 and 2,226.83 is: 3,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.78 : 11,239.43 = 2,226.83 : x
  2. Step 2: Convert to fraction form
    7,491.78/11,239.43 = 2,226.83/x
  3. Step 3: Cross multiply
    7,491.78x = 11,239.43 × 2,226.83
  4. Step 4: Simplify right side
    7,491.78x = 25,028,232.58
  5. Step 5: Solve for x
    x = 25,028,232.58/7,491.78
  6. Step 6: Final answer
    x = 3,340.76

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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.