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Finding the Fourth Proportional to 8,810.77, 13,207.69 and 3,262.61

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Solution

The fourth proportional to 8,810.77, 13,207.69 and 3,262.61 is: 4,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.77 : 13,207.69 = 3,262.61 : x
  2. Step 2: Convert to fraction form
    8,810.77/13,207.69 = 3,262.61/x
  3. Step 3: Cross multiply
    8,810.77x = 13,207.69 × 3,262.61
  4. Step 4: Simplify right side
    8,810.77x = 43,091,541.47
  5. Step 5: Solve for x
    x = 43,091,541.47/8,810.77
  6. Step 6: Final answer
    x = 4,890.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.