Home / 4,139.96-6,212.67-1,949.32

Finding the Fourth Proportional to 4,139.96, 6,212.67 and 1,949.32

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Solution

The fourth proportional to 4,139.96, 6,212.67 and 1,949.32 is: 2,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.96 : 6,212.67 = 1,949.32 : x
  2. Step 2: Convert to fraction form
    4,139.96/6,212.67 = 1,949.32/x
  3. Step 3: Cross multiply
    4,139.96x = 6,212.67 × 1,949.32
  4. Step 4: Simplify right side
    4,139.96x = 12,110,481.88
  5. Step 5: Solve for x
    x = 12,110,481.88/4,139.96
  6. Step 6: Final answer
    x = 2,925.27

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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.