Home / 5,213.76-7,195.20-2,976

Finding the Fourth Proportional to 5,213.76, 7,195.20 and 2,976

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Solution

The fourth proportional to 5,213.76, 7,195.20 and 2,976 is: 4,107.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.76 : 7,195.20 = 2,976 : x
  2. Step 2: Convert to fraction form
    5,213.76/7,195.20 = 2,976/x
  3. Step 3: Cross multiply
    5,213.76x = 7,195.20 × 2,976
  4. Step 4: Simplify right side
    5,213.76x = 21,412,915.20
  5. Step 5: Solve for x
    x = 21,412,915.20/5,213.76
  6. Step 6: Final answer
    x = 4,107.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.