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Finding the Fourth Proportional to 8,523.41, 12,787.13 and 2,680.02

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Solution

The fourth proportional to 8,523.41, 12,787.13 and 2,680.02 is: 4,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.41 : 12,787.13 = 2,680.02 : x
  2. Step 2: Convert to fraction form
    8,523.41/12,787.13 = 2,680.02/x
  3. Step 3: Cross multiply
    8,523.41x = 12,787.13 × 2,680.02
  4. Step 4: Simplify right side
    8,523.41x = 34,269,828.56
  5. Step 5: Solve for x
    x = 34,269,828.56/8,523.41
  6. Step 6: Final answer
    x = 4,020.67

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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.