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Finding the Fourth Proportional to 8,747.91, 12,072.12 and 4,768.94

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Solution

The fourth proportional to 8,747.91, 12,072.12 and 4,768.94 is: 6,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.91 : 12,072.12 = 4,768.94 : x
  2. Step 2: Convert to fraction form
    8,747.91/12,072.12 = 4,768.94/x
  3. Step 3: Cross multiply
    8,747.91x = 12,072.12 × 4,768.94
  4. Step 4: Simplify right side
    8,747.91x = 57,571,215.95
  5. Step 5: Solve for x
    x = 57,571,215.95/8,747.91
  6. Step 6: Final answer
    x = 6,581.14

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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.