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Finding the Fourth Proportional to 8,511.48, 12,744.48 and 4,998.60

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Solution

The fourth proportional to 8,511.48, 12,744.48 and 4,998.60 is: 7,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.48 : 12,744.48 = 4,998.60 : x
  2. Step 2: Convert to fraction form
    8,511.48/12,744.48 = 4,998.60/x
  3. Step 3: Cross multiply
    8,511.48x = 12,744.48 × 4,998.60
  4. Step 4: Simplify right side
    8,511.48x = 63,704,557.73
  5. Step 5: Solve for x
    x = 63,704,557.73/8,511.48
  6. Step 6: Final answer
    x = 7,484.55

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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.