Home / 5,448.33-8,175.20-2,161.35

Finding the Fourth Proportional to 5,448.33, 8,175.20 and 2,161.35

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Solution

The fourth proportional to 5,448.33, 8,175.20 and 2,161.35 is: 3,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.33 : 8,175.20 = 2,161.35 : x
  2. Step 2: Convert to fraction form
    5,448.33/8,175.20 = 2,161.35/x
  3. Step 3: Cross multiply
    5,448.33x = 8,175.20 × 2,161.35
  4. Step 4: Simplify right side
    5,448.33x = 17,669,468.52
  5. Step 5: Solve for x
    x = 17,669,468.52/5,448.33
  6. Step 6: Final answer
    x = 3,243.10

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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.