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Finding the Fourth Proportional to 8,892.41, 13,340.14 and 3,961.94

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Solution

The fourth proportional to 8,892.41, 13,340.14 and 3,961.94 is: 5,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.41 : 13,340.14 = 3,961.94 : x
  2. Step 2: Convert to fraction form
    8,892.41/13,340.14 = 3,961.94/x
  3. Step 3: Cross multiply
    8,892.41x = 13,340.14 × 3,961.94
  4. Step 4: Simplify right side
    8,892.41x = 52,852,757.67
  5. Step 5: Solve for x
    x = 52,852,757.67/8,892.41
  6. Step 6: Final answer
    x = 5,943.58

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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.