Home / 7,423.35-11,131.83-2,491.66

Finding the Fourth Proportional to 7,423.35, 11,131.83 and 2,491.66

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Solution

The fourth proportional to 7,423.35, 11,131.83 and 2,491.66 is: 3,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.35 : 11,131.83 = 2,491.66 : x
  2. Step 2: Convert to fraction form
    7,423.35/11,131.83 = 2,491.66/x
  3. Step 3: Cross multiply
    7,423.35x = 11,131.83 × 2,491.66
  4. Step 4: Simplify right side
    7,423.35x = 27,736,749.45
  5. Step 5: Solve for x
    x = 27,736,749.45/7,423.35
  6. Step 6: Final answer
    x = 3,736.42

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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.