Home / 9,190.21-13,787.62-2,950.78

Finding the Fourth Proportional to 9,190.21, 13,787.62 and 2,950.78

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Solution

The fourth proportional to 9,190.21, 13,787.62 and 2,950.78 is: 4,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.21 : 13,787.62 = 2,950.78 : x
  2. Step 2: Convert to fraction form
    9,190.21/13,787.62 = 2,950.78/x
  3. Step 3: Cross multiply
    9,190.21x = 13,787.62 × 2,950.78
  4. Step 4: Simplify right side
    9,190.21x = 40,684,164.41
  5. Step 5: Solve for x
    x = 40,684,164.41/9,190.21
  6. Step 6: Final answer
    x = 4,426.90

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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.