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Finding the Fourth Proportional to 8,119, 11,204.22 and 4,393

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Solution

The fourth proportional to 8,119, 11,204.22 and 4,393 is: 6,062.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119 : 11,204.22 = 4,393 : x
  2. Step 2: Convert to fraction form
    8,119/11,204.22 = 4,393/x
  3. Step 3: Cross multiply
    8,119x = 11,204.22 × 4,393
  4. Step 4: Simplify right side
    8,119x = 49,220,138.46
  5. Step 5: Solve for x
    x = 49,220,138.46/8,119
  6. Step 6: Final answer
    x = 6,062.34

Related Problems

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.