Home / 8,109.34-11,190.90-4,383.34

Finding the Fourth Proportional to 8,109.34, 11,190.90 and 4,383.34

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Solution

The fourth proportional to 8,109.34, 11,190.90 and 4,383.34 is: 6,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.34 : 11,190.90 = 4,383.34 : x
  2. Step 2: Convert to fraction form
    8,109.34/11,190.90 = 4,383.34/x
  3. Step 3: Cross multiply
    8,109.34x = 11,190.90 × 4,383.34
  4. Step 4: Simplify right side
    8,109.34x = 49,053,519.61
  5. Step 5: Solve for x
    x = 49,053,519.61/8,109.34
  6. Step 6: Final answer
    x = 6,049.02

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,110.34, 11,192.28 and 4,384.34
Similar ratio
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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.