Home / 7,450.80-11,176.20-4,486.20

Finding the Fourth Proportional to 7,450.80, 11,176.20 and 4,486.20

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Solution

The fourth proportional to 7,450.80, 11,176.20 and 4,486.20 is: 6,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.80 : 11,176.20 = 4,486.20 : x
  2. Step 2: Convert to fraction form
    7,450.80/11,176.20 = 4,486.20/x
  3. Step 3: Cross multiply
    7,450.80x = 11,176.20 × 4,486.20
  4. Step 4: Simplify right side
    7,450.80x = 50,138,668.44
  5. Step 5: Solve for x
    x = 50,138,668.44/7,450.80
  6. Step 6: Final answer
    x = 6,729.30

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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.