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Finding the Fourth Proportional to 8,809.39, 12,157.13 and 4,830.27

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Solution

The fourth proportional to 8,809.39, 12,157.13 and 4,830.27 is: 6,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.39 : 12,157.13 = 4,830.27 : x
  2. Step 2: Convert to fraction form
    8,809.39/12,157.13 = 4,830.27/x
  3. Step 3: Cross multiply
    8,809.39x = 12,157.13 × 4,830.27
  4. Step 4: Simplify right side
    8,809.39x = 58,722,220.33
  5. Step 5: Solve for x
    x = 58,722,220.33/8,809.39
  6. Step 6: Final answer
    x = 6,665.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.