Home / 7,431.72-11,147.44-2,500.96

Finding the Fourth Proportional to 7,431.72, 11,147.44 and 2,500.96

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Solution

The fourth proportional to 7,431.72, 11,147.44 and 2,500.96 is: 3,751.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.72 : 11,147.44 = 2,500.96 : x
  2. Step 2: Convert to fraction form
    7,431.72/11,147.44 = 2,500.96/x
  3. Step 3: Cross multiply
    7,431.72x = 11,147.44 × 2,500.96
  4. Step 4: Simplify right side
    7,431.72x = 27,879,301.54
  5. Step 5: Solve for x
    x = 27,879,301.54/7,431.72
  6. Step 6: Final answer
    x = 3,751.39

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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.