Home / 7,445.38-11,168.07-3,338.50

Finding the Fourth Proportional to 7,445.38, 11,168.07 and 3,338.50

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Solution

The fourth proportional to 7,445.38, 11,168.07 and 3,338.50 is: 5,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.38 : 11,168.07 = 3,338.50 : x
  2. Step 2: Convert to fraction form
    7,445.38/11,168.07 = 3,338.50/x
  3. Step 3: Cross multiply
    7,445.38x = 11,168.07 × 3,338.50
  4. Step 4: Simplify right side
    7,445.38x = 37,284,601.70
  5. Step 5: Solve for x
    x = 37,284,601.70/7,445.38
  6. Step 6: Final answer
    x = 5,007.75

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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.