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Finding the Fourth Proportional to 8,856, 13,286.88 and 2,700

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Solution

The fourth proportional to 8,856, 13,286.88 and 2,700 is: 4,050.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856 : 13,286.88 = 2,700 : x
  2. Step 2: Convert to fraction form
    8,856/13,286.88 = 2,700/x
  3. Step 3: Cross multiply
    8,856x = 13,286.88 × 2,700
  4. Step 4: Simplify right side
    8,856x = 35,874,576
  5. Step 5: Solve for x
    x = 35,874,576/8,856
  6. Step 6: Final answer
    x = 4,050.88

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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.