Home / 5,411.92-7,469.18-3,174.34

Finding the Fourth Proportional to 5,411.92, 7,469.18 and 3,174.34

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Solution

The fourth proportional to 5,411.92, 7,469.18 and 3,174.34 is: 4,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.92 : 7,469.18 = 3,174.34 : x
  2. Step 2: Convert to fraction form
    5,411.92/7,469.18 = 3,174.34/x
  3. Step 3: Cross multiply
    5,411.92x = 7,469.18 × 3,174.34
  4. Step 4: Simplify right side
    5,411.92x = 23,709,716.84
  5. Step 5: Solve for x
    x = 23,709,716.84/5,411.92
  6. Step 6: Final answer
    x = 4,381.02

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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.