Home / 7,404.36-11,110.16-3,243.80

Finding the Fourth Proportional to 7,404.36, 11,110.16 and 3,243.80

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Solution

The fourth proportional to 7,404.36, 11,110.16 and 3,243.80 is: 4,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.36 : 11,110.16 = 3,243.80 : x
  2. Step 2: Convert to fraction form
    7,404.36/11,110.16 = 3,243.80/x
  3. Step 3: Cross multiply
    7,404.36x = 11,110.16 × 3,243.80
  4. Step 4: Simplify right side
    7,404.36x = 36,039,137.01
  5. Step 5: Solve for x
    x = 36,039,137.01/7,404.36
  6. Step 6: Final answer
    x = 4,867.29

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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.