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Finding the Fourth Proportional to 8,099, 11,181.48 and 5,309.36

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Solution

The fourth proportional to 8,099, 11,181.48 and 5,309.36 is: 7,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099 : 11,181.48 = 5,309.36 : x
  2. Step 2: Convert to fraction form
    8,099/11,181.48 = 5,309.36/x
  3. Step 3: Cross multiply
    8,099x = 11,181.48 × 5,309.36
  4. Step 4: Simplify right side
    8,099x = 59,366,502.65
  5. Step 5: Solve for x
    x = 59,366,502.65/8,099
  6. Step 6: Final answer
    x = 7,330.10

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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.