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Finding the Fourth Proportional to 6,919.26, 10,378.90 and 2,243.18

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Solution

The fourth proportional to 6,919.26, 10,378.90 and 2,243.18 is: 3,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.26 : 10,378.90 = 2,243.18 : x
  2. Step 2: Convert to fraction form
    6,919.26/10,378.90 = 2,243.18/x
  3. Step 3: Cross multiply
    6,919.26x = 10,378.90 × 2,243.18
  4. Step 4: Simplify right side
    6,919.26x = 23,281,740.90
  5. Step 5: Solve for x
    x = 23,281,740.90/6,919.26
  6. Step 6: Final answer
    x = 3,364.77

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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.