Home / 10,222.78-15,334.12-2,827.23

Finding the Fourth Proportional to 10,222.78, 15,334.12 and 2,827.23

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Solution

The fourth proportional to 10,222.78, 15,334.12 and 2,827.23 is: 4,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.78 : 15,334.12 = 2,827.23 : x
  2. Step 2: Convert to fraction form
    10,222.78/15,334.12 = 2,827.23/x
  3. Step 3: Cross multiply
    10,222.78x = 15,334.12 × 2,827.23
  4. Step 4: Simplify right side
    10,222.78x = 43,353,084.09
  5. Step 5: Solve for x
    x = 43,353,084.09/10,222.78
  6. Step 6: Final answer
    x = 4,240.83

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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.