Home / 6,721.20-9,274.76-3,736.96

Finding the Fourth Proportional to 6,721.20, 9,274.76 and 3,736.96

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Solution

The fourth proportional to 6,721.20, 9,274.76 and 3,736.96 is: 5,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.20 : 9,274.76 = 3,736.96 : x
  2. Step 2: Convert to fraction form
    6,721.20/9,274.76 = 3,736.96/x
  3. Step 3: Cross multiply
    6,721.20x = 9,274.76 × 3,736.96
  4. Step 4: Simplify right side
    6,721.20x = 34,659,407.13
  5. Step 5: Solve for x
    x = 34,659,407.13/6,721.20
  6. Step 6: Final answer
    x = 5,156.73

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1.5x scale

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.