Home / 5,518.40-8,277.59-3,882.26

Finding the Fourth Proportional to 5,518.40, 8,277.59 and 3,882.26

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Solution

The fourth proportional to 5,518.40, 8,277.59 and 3,882.26 is: 5,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.40 : 8,277.59 = 3,882.26 : x
  2. Step 2: Convert to fraction form
    5,518.40/8,277.59 = 3,882.26/x
  3. Step 3: Cross multiply
    5,518.40x = 8,277.59 × 3,882.26
  4. Step 4: Simplify right side
    5,518.40x = 32,135,786.95
  5. Step 5: Solve for x
    x = 32,135,786.95/5,518.40
  6. Step 6: Final answer
    x = 5,823.39

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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.