Home / 3,919.05-5,913.49-3,767.16

Finding the Fourth Proportional to 3,919.05, 5,913.49 and 3,767.16

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Solution

The fourth proportional to 3,919.05, 5,913.49 and 3,767.16 is: 5,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.05 : 5,913.49 = 3,767.16 : x
  2. Step 2: Convert to fraction form
    3,919.05/5,913.49 = 3,767.16/x
  3. Step 3: Cross multiply
    3,919.05x = 5,913.49 × 3,767.16
  4. Step 4: Simplify right side
    3,919.05x = 22,277,053.57
  5. Step 5: Solve for x
    x = 22,277,053.57/3,919.05
  6. Step 6: Final answer
    x = 5,684.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.