Home / 6,112.72-9,169.08-2,217.10

Finding the Fourth Proportional to 6,112.72, 9,169.08 and 2,217.10

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Solution

The fourth proportional to 6,112.72, 9,169.08 and 2,217.10 is: 3,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.72 : 9,169.08 = 2,217.10 : x
  2. Step 2: Convert to fraction form
    6,112.72/9,169.08 = 2,217.10/x
  3. Step 3: Cross multiply
    6,112.72x = 9,169.08 × 2,217.10
  4. Step 4: Simplify right side
    6,112.72x = 20,328,767.27
  5. Step 5: Solve for x
    x = 20,328,767.27/6,112.72
  6. Step 6: Final answer
    x = 3,325.65

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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.