Home / 4,195.86-6,290.78-1,973.44

Finding the Fourth Proportional to 4,195.86, 6,290.78 and 1,973.44

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Solution

The fourth proportional to 4,195.86, 6,290.78 and 1,973.44 is: 2,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.86 : 6,290.78 = 1,973.44 : x
  2. Step 2: Convert to fraction form
    4,195.86/6,290.78 = 1,973.44/x
  3. Step 3: Cross multiply
    4,195.86x = 6,290.78 × 1,973.44
  4. Step 4: Simplify right side
    4,195.86x = 12,414,476.88
  5. Step 5: Solve for x
    x = 12,414,476.88/4,195.86
  6. Step 6: Final answer
    x = 2,958.74

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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.