Home / 6,441.38-8,889.82-3,609.22

Finding the Fourth Proportional to 6,441.38, 8,889.82 and 3,609.22

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Solution

The fourth proportional to 6,441.38, 8,889.82 and 3,609.22 is: 4,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.38 : 8,889.82 = 3,609.22 : x
  2. Step 2: Convert to fraction form
    6,441.38/8,889.82 = 3,609.22/x
  3. Step 3: Cross multiply
    6,441.38x = 8,889.82 × 3,609.22
  4. Step 4: Simplify right side
    6,441.38x = 32,085,253.65
  5. Step 5: Solve for x
    x = 32,085,253.65/6,441.38
  6. Step 6: Final answer
    x = 4,981.11

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.