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Finding the Fourth Proportional to 8,669.83, 12,999.27 and 4,776.97

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Solution

The fourth proportional to 8,669.83, 12,999.27 and 4,776.97 is: 7,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.83 : 12,999.27 = 4,776.97 : x
  2. Step 2: Convert to fraction form
    8,669.83/12,999.27 = 4,776.97/x
  3. Step 3: Cross multiply
    8,669.83x = 12,999.27 × 4,776.97
  4. Step 4: Simplify right side
    8,669.83x = 62,097,108.23
  5. Step 5: Solve for x
    x = 62,097,108.23/8,669.83
  6. Step 6: Final answer
    x = 7,162.44

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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.