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Finding the Fourth Proportional to 8,773.71, 13,169.68 and 5,083.15

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Solution

The fourth proportional to 8,773.71, 13,169.68 and 5,083.15 is: 7,630.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.71 : 13,169.68 = 5,083.15 : x
  2. Step 2: Convert to fraction form
    8,773.71/13,169.68 = 5,083.15/x
  3. Step 3: Cross multiply
    8,773.71x = 13,169.68 × 5,083.15
  4. Step 4: Simplify right side
    8,773.71x = 66,943,458.89
  5. Step 5: Solve for x
    x = 66,943,458.89/8,773.71
  6. Step 6: Final answer
    x = 7,630.01

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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.