Home / 5,161.05-7,745.09-3,402.27

Finding the Fourth Proportional to 5,161.05, 7,745.09 and 3,402.27

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Solution

The fourth proportional to 5,161.05, 7,745.09 and 3,402.27 is: 5,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.05 : 7,745.09 = 3,402.27 : x
  2. Step 2: Convert to fraction form
    5,161.05/7,745.09 = 3,402.27/x
  3. Step 3: Cross multiply
    5,161.05x = 7,745.09 × 3,402.27
  4. Step 4: Simplify right side
    5,161.05x = 26,350,870.34
  5. Step 5: Solve for x
    x = 26,350,870.34/5,161.05
  6. Step 6: Final answer
    x = 5,105.72

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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.