Home / 8,747.57-13,121.12-2,824.45

Finding the Fourth Proportional to 8,747.57, 13,121.12 and 2,824.45

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Solution

The fourth proportional to 8,747.57, 13,121.12 and 2,824.45 is: 4,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.57 : 13,121.12 = 2,824.45 : x
  2. Step 2: Convert to fraction form
    8,747.57/13,121.12 = 2,824.45/x
  3. Step 3: Cross multiply
    8,747.57x = 13,121.12 × 2,824.45
  4. Step 4: Simplify right side
    8,747.57x = 37,059,921.64
  5. Step 5: Solve for x
    x = 37,059,921.64/8,747.57
  6. Step 6: Final answer
    x = 4,236.59

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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.