Home / 3,911.43-5,868.01-1,138.32

Finding the Fourth Proportional to 3,911.43, 5,868.01 and 1,138.32

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Solution

The fourth proportional to 3,911.43, 5,868.01 and 1,138.32 is: 1,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.43 : 5,868.01 = 1,138.32 : x
  2. Step 2: Convert to fraction form
    3,911.43/5,868.01 = 1,138.32/x
  3. Step 3: Cross multiply
    3,911.43x = 5,868.01 × 1,138.32
  4. Step 4: Simplify right side
    3,911.43x = 6,679,673.14
  5. Step 5: Solve for x
    x = 6,679,673.14/3,911.43
  6. Step 6: Final answer
    x = 1,707.73

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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.