Home / 4,071.39-6,107.90-1,297.97

Finding the Fourth Proportional to 4,071.39, 6,107.90 and 1,297.97

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Solution

The fourth proportional to 4,071.39, 6,107.90 and 1,297.97 is: 1,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.39 : 6,107.90 = 1,297.97 : x
  2. Step 2: Convert to fraction form
    4,071.39/6,107.90 = 1,297.97/x
  3. Step 3: Cross multiply
    4,071.39x = 6,107.90 × 1,297.97
  4. Step 4: Simplify right side
    4,071.39x = 7,927,879.74
  5. Step 5: Solve for x
    x = 7,927,879.74/4,071.39
  6. Step 6: Final answer
    x = 1,947.22

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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.