Home / 4,103.62-6,151.76-1,911.16

Finding the Fourth Proportional to 4,103.62, 6,151.76 and 1,911.16

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Solution

The fourth proportional to 4,103.62, 6,151.76 and 1,911.16 is: 2,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.62 : 6,151.76 = 1,911.16 : x
  2. Step 2: Convert to fraction form
    4,103.62/6,151.76 = 1,911.16/x
  3. Step 3: Cross multiply
    4,103.62x = 6,151.76 × 1,911.16
  4. Step 4: Simplify right side
    4,103.62x = 11,756,997.64
  5. Step 5: Solve for x
    x = 11,756,997.64/4,103.62
  6. Step 6: Final answer
    x = 2,865.03

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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.