Home / 5,448.88-8,172.10-2,161.09

Finding the Fourth Proportional to 5,448.88, 8,172.10 and 2,161.09

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Solution

The fourth proportional to 5,448.88, 8,172.10 and 2,161.09 is: 3,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.88 : 8,172.10 = 2,161.09 : x
  2. Step 2: Convert to fraction form
    5,448.88/8,172.10 = 2,161.09/x
  3. Step 3: Cross multiply
    5,448.88x = 8,172.10 × 2,161.09
  4. Step 4: Simplify right side
    5,448.88x = 17,660,643.59
  5. Step 5: Solve for x
    x = 17,660,643.59/5,448.88
  6. Step 6: Final answer
    x = 3,241.15

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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.