Home / 7,351.56-11,029.20-3,190.56

Finding the Fourth Proportional to 7,351.56, 11,029.20 and 3,190.56

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Solution

The fourth proportional to 7,351.56, 11,029.20 and 3,190.56 is: 4,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.56 : 11,029.20 = 3,190.56 : x
  2. Step 2: Convert to fraction form
    7,351.56/11,029.20 = 3,190.56/x
  3. Step 3: Cross multiply
    7,351.56x = 11,029.20 × 3,190.56
  4. Step 4: Simplify right side
    7,351.56x = 35,189,324.35
  5. Step 5: Solve for x
    x = 35,189,324.35/7,351.56
  6. Step 6: Final answer
    x = 4,786.65

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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.