Home / 9,198.21-13,787.71-4,263.78

Finding the Fourth Proportional to 9,198.21, 13,787.71 and 4,263.78

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Solution

The fourth proportional to 9,198.21, 13,787.71 and 4,263.78 is: 6,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.21 : 13,787.71 = 4,263.78 : x
  2. Step 2: Convert to fraction form
    9,198.21/13,787.71 = 4,263.78/x
  3. Step 3: Cross multiply
    9,198.21x = 13,787.71 × 4,263.78
  4. Step 4: Simplify right side
    9,198.21x = 58,787,762.14
  5. Step 5: Solve for x
    x = 58,787,762.14/9,198.21
  6. Step 6: Final answer
    x = 6,391.22

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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.