Home / 5,179.06-7,146.49-2,940.92

Finding the Fourth Proportional to 5,179.06, 7,146.49 and 2,940.92

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Solution

The fourth proportional to 5,179.06, 7,146.49 and 2,940.92 is: 4,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.06 : 7,146.49 = 2,940.92 : x
  2. Step 2: Convert to fraction form
    5,179.06/7,146.49 = 2,940.92/x
  3. Step 3: Cross multiply
    5,179.06x = 7,146.49 × 2,940.92
  4. Step 4: Simplify right side
    5,179.06x = 21,017,255.37
  5. Step 5: Solve for x
    x = 21,017,255.37/5,179.06
  6. Step 6: Final answer
    x = 4,058.12

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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.