Home / 6,186.52-9,279.78-5,087.56

Finding the Fourth Proportional to 6,186.52, 9,279.78 and 5,087.56

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Solution

The fourth proportional to 6,186.52, 9,279.78 and 5,087.56 is: 7,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.52 : 9,279.78 = 5,087.56 : x
  2. Step 2: Convert to fraction form
    6,186.52/9,279.78 = 5,087.56/x
  3. Step 3: Cross multiply
    6,186.52x = 9,279.78 × 5,087.56
  4. Step 4: Simplify right side
    6,186.52x = 47,211,391.14
  5. Step 5: Solve for x
    x = 47,211,391.14/6,186.52
  6. Step 6: Final answer
    x = 7,631.33

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.