Home / 5,721.39-7,893.27-3,731.22

Finding the Fourth Proportional to 5,721.39, 7,893.27 and 3,731.22

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Solution

The fourth proportional to 5,721.39, 7,893.27 and 3,731.22 is: 5,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.39 : 7,893.27 = 3,731.22 : x
  2. Step 2: Convert to fraction form
    5,721.39/7,893.27 = 3,731.22/x
  3. Step 3: Cross multiply
    5,721.39x = 7,893.27 × 3,731.22
  4. Step 4: Simplify right side
    5,721.39x = 29,451,526.89
  5. Step 5: Solve for x
    x = 29,451,526.89/5,721.39
  6. Step 6: Final answer
    x = 5,147.62

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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.