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Finding the Fourth Proportional to 8,099.82, 11,104.85 and 7,952.20

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Solution

The fourth proportional to 8,099.82, 11,104.85 and 7,952.20 is: 10,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.82 : 11,104.85 = 7,952.20 : x
  2. Step 2: Convert to fraction form
    8,099.82/11,104.85 = 7,952.20/x
  3. Step 3: Cross multiply
    8,099.82x = 11,104.85 × 7,952.20
  4. Step 4: Simplify right side
    8,099.82x = 88,307,980.29
  5. Step 5: Solve for x
    x = 88,307,980.29/8,099.82
  6. Step 6: Final answer
    x = 10,902.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.