Home / 7,581.09-11,373.18-3,198.54

Finding the Fourth Proportional to 7,581.09, 11,373.18 and 3,198.54

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Solution

The fourth proportional to 7,581.09, 11,373.18 and 3,198.54 is: 4,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.09 : 11,373.18 = 3,198.54 : x
  2. Step 2: Convert to fraction form
    7,581.09/11,373.18 = 3,198.54/x
  3. Step 3: Cross multiply
    7,581.09x = 11,373.18 × 3,198.54
  4. Step 4: Simplify right side
    7,581.09x = 36,377,571.16
  5. Step 5: Solve for x
    x = 36,377,571.16/7,581.09
  6. Step 6: Final answer
    x = 4,798.46

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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.