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Finding the Fourth Proportional to 7,199.55, 10,794.22 and 2,753.47

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Solution

The fourth proportional to 7,199.55, 10,794.22 and 2,753.47 is: 4,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.55 : 10,794.22 = 2,753.47 : x
  2. Step 2: Convert to fraction form
    7,199.55/10,794.22 = 2,753.47/x
  3. Step 3: Cross multiply
    7,199.55x = 10,794.22 × 2,753.47
  4. Step 4: Simplify right side
    7,199.55x = 29,721,560.94
  5. Step 5: Solve for x
    x = 29,721,560.94/7,199.55
  6. Step 6: Final answer
    x = 4,128.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.