Home / 4,930.97-6,804.27-2,940.80

Finding the Fourth Proportional to 4,930.97, 6,804.27 and 2,940.80

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Solution

The fourth proportional to 4,930.97, 6,804.27 and 2,940.80 is: 4,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.97 : 6,804.27 = 2,940.80 : x
  2. Step 2: Convert to fraction form
    4,930.97/6,804.27 = 2,940.80/x
  3. Step 3: Cross multiply
    4,930.97x = 6,804.27 × 2,940.80
  4. Step 4: Simplify right side
    4,930.97x = 20,009,963.19
  5. Step 5: Solve for x
    x = 20,009,963.19/4,930.97
  6. Step 6: Final answer
    x = 4,058.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.