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Finding the Fourth Proportional to 5,751.45, 7,936.43 and 3,233.16

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Solution

The fourth proportional to 5,751.45, 7,936.43 and 3,233.16 is: 4,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.45 : 7,936.43 = 3,233.16 : x
  2. Step 2: Convert to fraction form
    5,751.45/7,936.43 = 3,233.16/x
  3. Step 3: Cross multiply
    5,751.45x = 7,936.43 × 3,233.16
  4. Step 4: Simplify right side
    5,751.45x = 25,659,731.85
  5. Step 5: Solve for x
    x = 25,659,731.85/5,751.45
  6. Step 6: Final answer
    x = 4,461.44

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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.