Home / 9,201.06-12,696.72-5,221.44

Finding the Fourth Proportional to 9,201.06, 12,696.72 and 5,221.44

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Solution

The fourth proportional to 9,201.06, 12,696.72 and 5,221.44 is: 7,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201.06 : 12,696.72 = 5,221.44 : x
  2. Step 2: Convert to fraction form
    9,201.06/12,696.72 = 5,221.44/x
  3. Step 3: Cross multiply
    9,201.06x = 12,696.72 × 5,221.44
  4. Step 4: Simplify right side
    9,201.06x = 66,295,161.68
  5. Step 5: Solve for x
    x = 66,295,161.68/9,201.06
  6. Step 6: Final answer
    x = 7,205.17

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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.