Home / 8,162.34-12,243.52-3,778.62

Finding the Fourth Proportional to 8,162.34, 12,243.52 and 3,778.62

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Solution

The fourth proportional to 8,162.34, 12,243.52 and 3,778.62 is: 5,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.34 : 12,243.52 = 3,778.62 : x
  2. Step 2: Convert to fraction form
    8,162.34/12,243.52 = 3,778.62/x
  3. Step 3: Cross multiply
    8,162.34x = 12,243.52 × 3,778.62
  4. Step 4: Simplify right side
    8,162.34x = 46,263,609.54
  5. Step 5: Solve for x
    x = 46,263,609.54/8,162.34
  6. Step 6: Final answer
    x = 5,667.93

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