Home / 3,911-5,865.07-1,136.93

Finding the Fourth Proportional to 3,911, 5,865.07 and 1,136.93

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Solution

The fourth proportional to 3,911, 5,865.07 and 1,136.93 is: 1,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911 : 5,865.07 = 1,136.93 : x
  2. Step 2: Convert to fraction form
    3,911/5,865.07 = 1,136.93/x
  3. Step 3: Cross multiply
    3,911x = 5,865.07 × 1,136.93
  4. Step 4: Simplify right side
    3,911x = 6,668,139.03
  5. Step 5: Solve for x
    x = 6,668,139.03/3,911
  6. Step 6: Final answer
    x = 1,704.97

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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.