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Finding the Fourth Proportional to 8,073.66, 12,111.26 and 2,807.85

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Solution

The fourth proportional to 8,073.66, 12,111.26 and 2,807.85 is: 4,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.66 : 12,111.26 = 2,807.85 : x
  2. Step 2: Convert to fraction form
    8,073.66/12,111.26 = 2,807.85/x
  3. Step 3: Cross multiply
    8,073.66x = 12,111.26 × 2,807.85
  4. Step 4: Simplify right side
    8,073.66x = 34,006,587.35
  5. Step 5: Solve for x
    x = 34,006,587.35/8,073.66
  6. Step 6: Final answer
    x = 4,212.04

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