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Finding the Fourth Proportional to 8,984.76, 13,469.31 and 3,716.49

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Solution

The fourth proportional to 8,984.76, 13,469.31 and 3,716.49 is: 5,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.76 : 13,469.31 = 3,716.49 : x
  2. Step 2: Convert to fraction form
    8,984.76/13,469.31 = 3,716.49/x
  3. Step 3: Cross multiply
    8,984.76x = 13,469.31 × 3,716.49
  4. Step 4: Simplify right side
    8,984.76x = 50,058,555.92
  5. Step 5: Solve for x
    x = 50,058,555.92/8,984.76
  6. Step 6: Final answer
    x = 5,571.50

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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.