Home / 8,942.28-13,401.27-3,392.64

Finding the Fourth Proportional to 8,942.28, 13,401.27 and 3,392.64

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Solution

The fourth proportional to 8,942.28, 13,401.27 and 3,392.64 is: 5,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.28 : 13,401.27 = 3,392.64 : x
  2. Step 2: Convert to fraction form
    8,942.28/13,401.27 = 3,392.64/x
  3. Step 3: Cross multiply
    8,942.28x = 13,401.27 × 3,392.64
  4. Step 4: Simplify right side
    8,942.28x = 45,465,684.65
  5. Step 5: Solve for x
    x = 45,465,684.65/8,942.28
  6. Step 6: Final answer
    x = 5,084.35

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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.