Home / 5,518.60-8,277.90-3,663.70

Finding the Fourth Proportional to 5,518.60, 8,277.90 and 3,663.70

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Solution

The fourth proportional to 5,518.60, 8,277.90 and 3,663.70 is: 5,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.60 : 8,277.90 = 3,663.70 : x
  2. Step 2: Convert to fraction form
    5,518.60/8,277.90 = 3,663.70/x
  3. Step 3: Cross multiply
    5,518.60x = 8,277.90 × 3,663.70
  4. Step 4: Simplify right side
    5,518.60x = 30,327,742.23
  5. Step 5: Solve for x
    x = 30,327,742.23/5,518.60
  6. Step 6: Final answer
    x = 5,495.55

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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.