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Finding the Fourth Proportional to 8,801.66, 12,145.82 and 4,822.02

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Solution

The fourth proportional to 8,801.66, 12,145.82 and 4,822.02 is: 6,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.66 : 12,145.82 = 4,822.02 : x
  2. Step 2: Convert to fraction form
    8,801.66/12,145.82 = 4,822.02/x
  3. Step 3: Cross multiply
    8,801.66x = 12,145.82 × 4,822.02
  4. Step 4: Simplify right side
    8,801.66x = 58,567,386.96
  5. Step 5: Solve for x
    x = 58,567,386.96/8,801.66
  6. Step 6: Final answer
    x = 6,654.13

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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.