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Finding the Fourth Proportional to 8,818.56, 13,227.36 and 2,578.32

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Solution

The fourth proportional to 8,818.56, 13,227.36 and 2,578.32 is: 3,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.56 : 13,227.36 = 2,578.32 : x
  2. Step 2: Convert to fraction form
    8,818.56/13,227.36 = 2,578.32/x
  3. Step 3: Cross multiply
    8,818.56x = 13,227.36 × 2,578.32
  4. Step 4: Simplify right side
    8,818.56x = 34,104,366.84
  5. Step 5: Solve for x
    x = 34,104,366.84/8,818.56
  6. Step 6: Final answer
    x = 3,867.34

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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.