Home / 4,138.89-6,208.32-1,946.01

Finding the Fourth Proportional to 4,138.89, 6,208.32 and 1,946.01

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Solution

The fourth proportional to 4,138.89, 6,208.32 and 1,946.01 is: 2,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.89 : 6,208.32 = 1,946.01 : x
  2. Step 2: Convert to fraction form
    4,138.89/6,208.32 = 1,946.01/x
  3. Step 3: Cross multiply
    4,138.89x = 6,208.32 × 1,946.01
  4. Step 4: Simplify right side
    4,138.89x = 12,081,452.80
  5. Step 5: Solve for x
    x = 12,081,452.80/4,138.89
  6. Step 6: Final answer
    x = 2,919.01

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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.