Home / 7,209.45-10,817.28-2,532.78

Finding the Fourth Proportional to 7,209.45, 10,817.28 and 2,532.78

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Solution

The fourth proportional to 7,209.45, 10,817.28 and 2,532.78 is: 3,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.45 : 10,817.28 = 2,532.78 : x
  2. Step 2: Convert to fraction form
    7,209.45/10,817.28 = 2,532.78/x
  3. Step 3: Cross multiply
    7,209.45x = 10,817.28 × 2,532.78
  4. Step 4: Simplify right side
    7,209.45x = 27,397,790.44
  5. Step 5: Solve for x
    x = 27,397,790.44/7,209.45
  6. Step 6: Final answer
    x = 3,800.26

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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.