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Finding the Fourth Proportional to 8,330.33, 11,498.42 and 4,795.90

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Solution

The fourth proportional to 8,330.33, 11,498.42 and 4,795.90 is: 6,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.33 : 11,498.42 = 4,795.90 : x
  2. Step 2: Convert to fraction form
    8,330.33/11,498.42 = 4,795.90/x
  3. Step 3: Cross multiply
    8,330.33x = 11,498.42 × 4,795.90
  4. Step 4: Simplify right side
    8,330.33x = 55,145,255.72
  5. Step 5: Solve for x
    x = 55,145,255.72/8,330.33
  6. Step 6: Final answer
    x = 6,619.81

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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.