Home / 8,180.14-11,289.60-4,644.48

Finding the Fourth Proportional to 8,180.14, 11,289.60 and 4,644.48

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Solution

The fourth proportional to 8,180.14, 11,289.60 and 4,644.48 is: 6,409.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.14 : 11,289.60 = 4,644.48 : x
  2. Step 2: Convert to fraction form
    8,180.14/11,289.60 = 4,644.48/x
  3. Step 3: Cross multiply
    8,180.14x = 11,289.60 × 4,644.48
  4. Step 4: Simplify right side
    8,180.14x = 52,434,321.41
  5. Step 5: Solve for x
    x = 52,434,321.41/8,180.14
  6. Step 6: Final answer
    x = 6,409.95

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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.