Home / 7,399.08-11,100.78-3,015.72

Finding the Fourth Proportional to 7,399.08, 11,100.78 and 3,015.72

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Solution

The fourth proportional to 7,399.08, 11,100.78 and 3,015.72 is: 4,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.08 : 11,100.78 = 3,015.72 : x
  2. Step 2: Convert to fraction form
    7,399.08/11,100.78 = 3,015.72/x
  3. Step 3: Cross multiply
    7,399.08x = 11,100.78 × 3,015.72
  4. Step 4: Simplify right side
    7,399.08x = 33,476,844.26
  5. Step 5: Solve for x
    x = 33,476,844.26/7,399.08
  6. Step 6: Final answer
    x = 4,524.46

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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.