Home / 7,340.06-11,012.62-2,146.70

Finding the Fourth Proportional to 7,340.06, 11,012.62 and 2,146.70

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Solution

The fourth proportional to 7,340.06, 11,012.62 and 2,146.70 is: 3,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.06 : 11,012.62 = 2,146.70 : x
  2. Step 2: Convert to fraction form
    7,340.06/11,012.62 = 2,146.70/x
  3. Step 3: Cross multiply
    7,340.06x = 11,012.62 × 2,146.70
  4. Step 4: Simplify right side
    7,340.06x = 23,640,791.35
  5. Step 5: Solve for x
    x = 23,640,791.35/7,340.06
  6. Step 6: Final answer
    x = 3,220.79

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1.5x scale

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.