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Finding the Fourth Proportional to 8,048.76, 12,072.78 and 2,854.56

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Solution

The fourth proportional to 8,048.76, 12,072.78 and 2,854.56 is: 4,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048.76 : 12,072.78 = 2,854.56 : x
  2. Step 2: Convert to fraction form
    8,048.76/12,072.78 = 2,854.56/x
  3. Step 3: Cross multiply
    8,048.76x = 12,072.78 × 2,854.56
  4. Step 4: Simplify right side
    8,048.76x = 34,462,474.88
  5. Step 5: Solve for x
    x = 34,462,474.88/8,048.76
  6. Step 6: Final answer
    x = 4,281.71

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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.