Home / 4,103.49-6,155.19-1,911

Finding the Fourth Proportional to 4,103.49, 6,155.19 and 1,911

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Solution

The fourth proportional to 4,103.49, 6,155.19 and 1,911 is: 2,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.49 : 6,155.19 = 1,911 : x
  2. Step 2: Convert to fraction form
    4,103.49/6,155.19 = 1,911/x
  3. Step 3: Cross multiply
    4,103.49x = 6,155.19 × 1,911
  4. Step 4: Simplify right side
    4,103.49x = 11,762,568.09
  5. Step 5: Solve for x
    x = 11,762,568.09/4,103.49
  6. Step 6: Final answer
    x = 2,866.48

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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.