Home / 9,201.20-12,696.93-5,222.97

Finding the Fourth Proportional to 9,201.20, 12,696.93 and 5,222.97

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Solution

The fourth proportional to 9,201.20, 12,696.93 and 5,222.97 is: 7,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201.20 : 12,696.93 = 5,222.97 : x
  2. Step 2: Convert to fraction form
    9,201.20/12,696.93 = 5,222.97/x
  3. Step 3: Cross multiply
    9,201.20x = 12,696.93 × 5,222.97
  4. Step 4: Simplify right side
    9,201.20x = 66,315,684.48
  5. Step 5: Solve for x
    x = 66,315,684.48/9,201.20
  6. Step 6: Final answer
    x = 7,207.29

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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.