Home / 9,190.21-13,789.87-3,643.43

Finding the Fourth Proportional to 9,190.21, 13,789.87 and 3,643.43

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Solution

The fourth proportional to 9,190.21, 13,789.87 and 3,643.43 is: 5,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.21 : 13,789.87 = 3,643.43 : x
  2. Step 2: Convert to fraction form
    9,190.21/13,789.87 = 3,643.43/x
  3. Step 3: Cross multiply
    9,190.21x = 13,789.87 × 3,643.43
  4. Step 4: Simplify right side
    9,190.21x = 50,242,426.05
  5. Step 5: Solve for x
    x = 50,242,426.05/9,190.21
  6. Step 6: Final answer
    x = 5,466.95

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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.