Home / 7,351.86-11,027.97-2,157.90

Finding the Fourth Proportional to 7,351.86, 11,027.97 and 2,157.90

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Solution

The fourth proportional to 7,351.86, 11,027.97 and 2,157.90 is: 3,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.86 : 11,027.97 = 2,157.90 : x
  2. Step 2: Convert to fraction form
    7,351.86/11,027.97 = 2,157.90/x
  3. Step 3: Cross multiply
    7,351.86x = 11,027.97 × 2,157.90
  4. Step 4: Simplify right side
    7,351.86x = 23,797,256.46
  5. Step 5: Solve for x
    x = 23,797,256.46/7,351.86
  6. Step 6: Final answer
    x = 3,236.90

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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.