Home / 4,138.77-6,212.58-1,675.20

Finding the Fourth Proportional to 4,138.77, 6,212.58 and 1,675.20

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Solution

The fourth proportional to 4,138.77, 6,212.58 and 1,675.20 is: 2,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.77 : 6,212.58 = 1,675.20 : x
  2. Step 2: Convert to fraction form
    4,138.77/6,212.58 = 1,675.20/x
  3. Step 3: Cross multiply
    4,138.77x = 6,212.58 × 1,675.20
  4. Step 4: Simplify right side
    4,138.77x = 10,407,305.64
  5. Step 5: Solve for x
    x = 10,407,305.64/4,138.77
  6. Step 6: Final answer
    x = 2,514.59

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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.