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Finding the Fourth Proportional to 7,074.92, 10,604.97 and 3,950.34

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Solution

The fourth proportional to 7,074.92, 10,604.97 and 3,950.34 is: 5,921.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.92 : 10,604.97 = 3,950.34 : x
  2. Step 2: Convert to fraction form
    7,074.92/10,604.97 = 3,950.34/x
  3. Step 3: Cross multiply
    7,074.92x = 10,604.97 × 3,950.34
  4. Step 4: Simplify right side
    7,074.92x = 41,893,237.19
  5. Step 5: Solve for x
    x = 41,893,237.19/7,074.92
  6. Step 6: Final answer
    x = 5,921.38

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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.