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Finding the Fourth Proportional to 8,009.61, 11,052.01 and 4,822.66

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Solution

The fourth proportional to 8,009.61, 11,052.01 and 4,822.66 is: 6,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.61 : 11,052.01 = 4,822.66 : x
  2. Step 2: Convert to fraction form
    8,009.61/11,052.01 = 4,822.66/x
  3. Step 3: Cross multiply
    8,009.61x = 11,052.01 × 4,822.66
  4. Step 4: Simplify right side
    8,009.61x = 53,300,086.55
  5. Step 5: Solve for x
    x = 53,300,086.55/8,009.61
  6. Step 6: Final answer
    x = 6,654.52

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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.