Home / 4,137.86-6,206.76-1,946.58

Finding the Fourth Proportional to 4,137.86, 6,206.76 and 1,946.58

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Solution

The fourth proportional to 4,137.86, 6,206.76 and 1,946.58 is: 2,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.86 : 6,206.76 = 1,946.58 : x
  2. Step 2: Convert to fraction form
    4,137.86/6,206.76 = 1,946.58/x
  3. Step 3: Cross multiply
    4,137.86x = 6,206.76 × 1,946.58
  4. Step 4: Simplify right side
    4,137.86x = 12,081,954.88
  5. Step 5: Solve for x
    x = 12,081,954.88/4,137.86
  6. Step 6: Final answer
    x = 2,919.86

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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.