Home / 4,109.37-6,161.59-1,645.35

Finding the Fourth Proportional to 4,109.37, 6,161.59 and 1,645.35

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Solution

The fourth proportional to 4,109.37, 6,161.59 and 1,645.35 is: 2,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.37 : 6,161.59 = 1,645.35 : x
  2. Step 2: Convert to fraction form
    4,109.37/6,161.59 = 1,645.35/x
  3. Step 3: Cross multiply
    4,109.37x = 6,161.59 × 1,645.35
  4. Step 4: Simplify right side
    4,109.37x = 10,137,972.11
  5. Step 5: Solve for x
    x = 10,137,972.11/4,109.37
  6. Step 6: Final answer
    x = 2,467.04

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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.