Home / 8,081.36-11,151.88-4,544.88

Finding the Fourth Proportional to 8,081.36, 11,151.88 and 4,544.88

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Solution

The fourth proportional to 8,081.36, 11,151.88 and 4,544.88 is: 6,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.36 : 11,151.88 = 4,544.88 : x
  2. Step 2: Convert to fraction form
    8,081.36/11,151.88 = 4,544.88/x
  3. Step 3: Cross multiply
    8,081.36x = 11,151.88 × 4,544.88
  4. Step 4: Simplify right side
    8,081.36x = 50,683,956.37
  5. Step 5: Solve for x
    x = 50,683,956.37/8,081.36
  6. Step 6: Final answer
    x = 6,271.71

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.