Home / 6,721.12-9,274.62-3,737.08

Finding the Fourth Proportional to 6,721.12, 9,274.62 and 3,737.08

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Solution

The fourth proportional to 6,721.12, 9,274.62 and 3,737.08 is: 5,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.12 : 9,274.62 = 3,737.08 : x
  2. Step 2: Convert to fraction form
    6,721.12/9,274.62 = 3,737.08/x
  3. Step 3: Cross multiply
    6,721.12x = 9,274.62 × 3,737.08
  4. Step 4: Simplify right side
    6,721.12x = 34,659,996.91
  5. Step 5: Solve for x
    x = 34,659,996.91/6,721.12
  6. Step 6: Final answer
    x = 5,156.88

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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.