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Finding the Fourth Proportional to 5,344.57, 7,375.32 and 2,986.66

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Solution

The fourth proportional to 5,344.57, 7,375.32 and 2,986.66 is: 4,121.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.57 : 7,375.32 = 2,986.66 : x
  2. Step 2: Convert to fraction form
    5,344.57/7,375.32 = 2,986.66/x
  3. Step 3: Cross multiply
    5,344.57x = 7,375.32 × 2,986.66
  4. Step 4: Simplify right side
    5,344.57x = 22,027,573.23
  5. Step 5: Solve for x
    x = 22,027,573.23/5,344.57
  6. Step 6: Final answer
    x = 4,121.49

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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.