Home / 7,137.72-10,706.04-2,207.39

Finding the Fourth Proportional to 7,137.72, 10,706.04 and 2,207.39

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Solution

The fourth proportional to 7,137.72, 10,706.04 and 2,207.39 is: 3,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.72 : 10,706.04 = 2,207.39 : x
  2. Step 2: Convert to fraction form
    7,137.72/10,706.04 = 2,207.39/x
  3. Step 3: Cross multiply
    7,137.72x = 10,706.04 × 2,207.39
  4. Step 4: Simplify right side
    7,137.72x = 23,632,405.64
  5. Step 5: Solve for x
    x = 23,632,405.64/7,137.72
  6. Step 6: Final answer
    x = 3,310.92

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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.