Home / 7,147.29-10,723.11-3,448.83

Finding the Fourth Proportional to 7,147.29, 10,723.11 and 3,448.83

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Solution

The fourth proportional to 7,147.29, 10,723.11 and 3,448.83 is: 5,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.29 : 10,723.11 = 3,448.83 : x
  2. Step 2: Convert to fraction form
    7,147.29/10,723.11 = 3,448.83/x
  3. Step 3: Cross multiply
    7,147.29x = 10,723.11 × 3,448.83
  4. Step 4: Simplify right side
    7,147.29x = 36,982,183.46
  5. Step 5: Solve for x
    x = 36,982,183.46/7,147.29
  6. Step 6: Final answer
    x = 5,174.29

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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.