Home / 7,389.57-11,086.17-2,195.44

Finding the Fourth Proportional to 7,389.57, 11,086.17 and 2,195.44

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Solution

The fourth proportional to 7,389.57, 11,086.17 and 2,195.44 is: 3,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.57 : 11,086.17 = 2,195.44 : x
  2. Step 2: Convert to fraction form
    7,389.57/11,086.17 = 2,195.44/x
  3. Step 3: Cross multiply
    7,389.57x = 11,086.17 × 2,195.44
  4. Step 4: Simplify right side
    7,389.57x = 24,339,021.06
  5. Step 5: Solve for x
    x = 24,339,021.06/7,389.57
  6. Step 6: Final answer
    x = 3,293.70

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Half scale
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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.