Home / 8,090.77-12,135.60-2,167.65

Finding the Fourth Proportional to 8,090.77, 12,135.60 and 2,167.65

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Solution

The fourth proportional to 8,090.77, 12,135.60 and 2,167.65 is: 3,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.77 : 12,135.60 = 2,167.65 : x
  2. Step 2: Convert to fraction form
    8,090.77/12,135.60 = 2,167.65/x
  3. Step 3: Cross multiply
    8,090.77x = 12,135.60 × 2,167.65
  4. Step 4: Simplify right side
    8,090.77x = 26,305,733.34
  5. Step 5: Solve for x
    x = 26,305,733.34/8,090.77
  6. Step 6: Final answer
    x = 3,251.33

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Half scale
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Double scale
Find fourth proportional to 8,091.77, 12,137.10 and 2,168.65
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.