Home / 5,190.06-7,161.68-2,951.48

Finding the Fourth Proportional to 5,190.06, 7,161.68 and 2,951.48

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Solution

The fourth proportional to 5,190.06, 7,161.68 and 2,951.48 is: 4,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.06 : 7,161.68 = 2,951.48 : x
  2. Step 2: Convert to fraction form
    5,190.06/7,161.68 = 2,951.48/x
  3. Step 3: Cross multiply
    5,190.06x = 7,161.68 × 2,951.48
  4. Step 4: Simplify right side
    5,190.06x = 21,137,555.29
  5. Step 5: Solve for x
    x = 21,137,555.29/5,190.06
  6. Step 6: Final answer
    x = 4,072.70

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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.