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Finding the Fourth Proportional to 6,618.95, 9,928.46 and 2,236.44

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Solution

The fourth proportional to 6,618.95, 9,928.46 and 2,236.44 is: 3,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.95 : 9,928.46 = 2,236.44 : x
  2. Step 2: Convert to fraction form
    6,618.95/9,928.46 = 2,236.44/x
  3. Step 3: Cross multiply
    6,618.95x = 9,928.46 × 2,236.44
  4. Step 4: Simplify right side
    6,618.95x = 22,204,405.08
  5. Step 5: Solve for x
    x = 22,204,405.08/6,618.95
  6. Step 6: Final answer
    x = 3,354.67

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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.