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Finding the Fourth Proportional to 8,954.78, 13,432.77 and 2,380.82

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Solution

The fourth proportional to 8,954.78, 13,432.77 and 2,380.82 is: 3,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.78 : 13,432.77 = 2,380.82 : x
  2. Step 2: Convert to fraction form
    8,954.78/13,432.77 = 2,380.82/x
  3. Step 3: Cross multiply
    8,954.78x = 13,432.77 × 2,380.82
  4. Step 4: Simplify right side
    8,954.78x = 31,980,940.31
  5. Step 5: Solve for x
    x = 31,980,940.31/8,954.78
  6. Step 6: Final answer
    x = 3,571.38

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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.