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Finding the Fourth Proportional to 7,104.78, 10,658.39 and 2,173.91

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Solution

The fourth proportional to 7,104.78, 10,658.39 and 2,173.91 is: 3,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.78 : 10,658.39 = 2,173.91 : x
  2. Step 2: Convert to fraction form
    7,104.78/10,658.39 = 2,173.91/x
  3. Step 3: Cross multiply
    7,104.78x = 10,658.39 × 2,173.91
  4. Step 4: Simplify right side
    7,104.78x = 23,170,316.44
  5. Step 5: Solve for x
    x = 23,170,316.44/7,104.78
  6. Step 6: Final answer
    x = 3,261.23

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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.