Home / 7,204.15-10,801.90-2,816.38

Finding the Fourth Proportional to 7,204.15, 10,801.90 and 2,816.38

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Solution

The fourth proportional to 7,204.15, 10,801.90 and 2,816.38 is: 4,222.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.15 : 10,801.90 = 2,816.38 : x
  2. Step 2: Convert to fraction form
    7,204.15/10,801.90 = 2,816.38/x
  3. Step 3: Cross multiply
    7,204.15x = 10,801.90 × 2,816.38
  4. Step 4: Simplify right side
    7,204.15x = 30,422,255.12
  5. Step 5: Solve for x
    x = 30,422,255.12/7,204.15
  6. Step 6: Final answer
    x = 4,222.88

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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.