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Finding the Fourth Proportional to 6,952.70, 10,431.94 and 3,668.70

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Solution

The fourth proportional to 6,952.70, 10,431.94 and 3,668.70 is: 5,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,952.70 : 10,431.94 = 3,668.70 : x
  2. Step 2: Convert to fraction form
    6,952.70/10,431.94 = 3,668.70/x
  3. Step 3: Cross multiply
    6,952.70x = 10,431.94 × 3,668.70
  4. Step 4: Simplify right side
    6,952.70x = 38,271,658.28
  5. Step 5: Solve for x
    x = 38,271,658.28/6,952.70
  6. Step 6: Final answer
    x = 5,504.57

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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.