Home / 7,451.91-11,177.87-3,544.47

Finding the Fourth Proportional to 7,451.91, 11,177.87 and 3,544.47

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Solution

The fourth proportional to 7,451.91, 11,177.87 and 3,544.47 is: 5,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.91 : 11,177.87 = 3,544.47 : x
  2. Step 2: Convert to fraction form
    7,451.91/11,177.87 = 3,544.47/x
  3. Step 3: Cross multiply
    7,451.91x = 11,177.87 × 3,544.47
  4. Step 4: Simplify right side
    7,451.91x = 39,619,607.16
  5. Step 5: Solve for x
    x = 39,619,607.16/7,451.91
  6. Step 6: Final answer
    x = 5,316.71

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Similar ratio
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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.