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Finding the Fourth Proportional to 8,865.98, 12,234.98 and 4,887.09

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Solution

The fourth proportional to 8,865.98, 12,234.98 and 4,887.09 is: 6,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.98 : 12,234.98 = 4,887.09 : x
  2. Step 2: Convert to fraction form
    8,865.98/12,234.98 = 4,887.09/x
  3. Step 3: Cross multiply
    8,865.98x = 12,234.98 × 4,887.09
  4. Step 4: Simplify right side
    8,865.98x = 59,793,448.41
  5. Step 5: Solve for x
    x = 59,793,448.41/8,865.98
  6. Step 6: Final answer
    x = 6,744.14

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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.