Home / 4,121.71-6,184.59-1,930.06

Finding the Fourth Proportional to 4,121.71, 6,184.59 and 1,930.06

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Solution

The fourth proportional to 4,121.71, 6,184.59 and 1,930.06 is: 2,896.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.71 : 6,184.59 = 1,930.06 : x
  2. Step 2: Convert to fraction form
    4,121.71/6,184.59 = 1,930.06/x
  3. Step 3: Cross multiply
    4,121.71x = 6,184.59 × 1,930.06
  4. Step 4: Simplify right side
    4,121.71x = 11,936,594.03
  5. Step 5: Solve for x
    x = 11,936,594.03/4,121.71
  6. Step 6: Final answer
    x = 2,896.03

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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.