Home / 5,161.68-7,745.34-2,239.98

Finding the Fourth Proportional to 5,161.68, 7,745.34 and 2,239.98

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Solution

The fourth proportional to 5,161.68, 7,745.34 and 2,239.98 is: 3,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.68 : 7,745.34 = 2,239.98 : x
  2. Step 2: Convert to fraction form
    5,161.68/7,745.34 = 2,239.98/x
  3. Step 3: Cross multiply
    5,161.68x = 7,745.34 × 2,239.98
  4. Step 4: Simplify right side
    5,161.68x = 17,349,406.69
  5. Step 5: Solve for x
    x = 17,349,406.69/5,161.68
  6. Step 6: Final answer
    x = 3,361.19

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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.