Home / 6,721.02-9,274.88-3,736.78

Finding the Fourth Proportional to 6,721.02, 9,274.88 and 3,736.78

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Solution

The fourth proportional to 6,721.02, 9,274.88 and 3,736.78 is: 5,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.02 : 9,274.88 = 3,736.78 : x
  2. Step 2: Convert to fraction form
    6,721.02/9,274.88 = 3,736.78/x
  3. Step 3: Cross multiply
    6,721.02x = 9,274.88 × 3,736.78
  4. Step 4: Simplify right side
    6,721.02x = 34,658,186.09
  5. Step 5: Solve for x
    x = 34,658,186.09/6,721.02
  6. Step 6: Final answer
    x = 5,156.69

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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.