Home / 7,351.11-11,026.85-2,157.15

Finding the Fourth Proportional to 7,351.11, 11,026.85 and 2,157.15

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Solution

The fourth proportional to 7,351.11, 11,026.85 and 2,157.15 is: 3,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.11 : 11,026.85 = 2,157.15 : x
  2. Step 2: Convert to fraction form
    7,351.11/11,026.85 = 2,157.15/x
  3. Step 3: Cross multiply
    7,351.11x = 11,026.85 × 2,157.15
  4. Step 4: Simplify right side
    7,351.11x = 23,786,558.69
  5. Step 5: Solve for x
    x = 23,786,558.69/7,351.11
  6. Step 6: Final answer
    x = 3,235.78

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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.