Home / 8,009.03-12,013.55-3,626.49

Finding the Fourth Proportional to 8,009.03, 12,013.55 and 3,626.49

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Solution

The fourth proportional to 8,009.03, 12,013.55 and 3,626.49 is: 5,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.03 : 12,013.55 = 3,626.49 : x
  2. Step 2: Convert to fraction form
    8,009.03/12,013.55 = 3,626.49/x
  3. Step 3: Cross multiply
    8,009.03x = 12,013.55 × 3,626.49
  4. Step 4: Simplify right side
    8,009.03x = 43,567,021.05
  5. Step 5: Solve for x
    x = 43,567,021.05/8,009.03
  6. Step 6: Final answer
    x = 5,439.74

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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.