Home / 6,721.07-9,274.36-3,736.43

Finding the Fourth Proportional to 6,721.07, 9,274.36 and 3,736.43

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Solution

The fourth proportional to 6,721.07, 9,274.36 and 3,736.43 is: 5,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.07 : 9,274.36 = 3,736.43 : x
  2. Step 2: Convert to fraction form
    6,721.07/9,274.36 = 3,736.43/x
  3. Step 3: Cross multiply
    6,721.07x = 9,274.36 × 3,736.43
  4. Step 4: Simplify right side
    6,721.07x = 34,652,996.93
  5. Step 5: Solve for x
    x = 34,652,996.93/6,721.07
  6. Step 6: Final answer
    x = 5,155.88

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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.