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Finding the Fourth Proportional to 8,951.68, 13,425.78 and 2,627.32

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Solution

The fourth proportional to 8,951.68, 13,425.78 and 2,627.32 is: 3,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.68 : 13,425.78 = 2,627.32 : x
  2. Step 2: Convert to fraction form
    8,951.68/13,425.78 = 2,627.32/x
  3. Step 3: Cross multiply
    8,951.68x = 13,425.78 × 2,627.32
  4. Step 4: Simplify right side
    8,951.68x = 35,273,820.31
  5. Step 5: Solve for x
    x = 35,273,820.31/8,951.68
  6. Step 6: Final answer
    x = 3,940.47

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1.5x scale

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.