Home / 9,122.07-13,684.51-3,857.09

Finding the Fourth Proportional to 9,122.07, 13,684.51 and 3,857.09

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Solution

The fourth proportional to 9,122.07, 13,684.51 and 3,857.09 is: 5,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.07 : 13,684.51 = 3,857.09 : x
  2. Step 2: Convert to fraction form
    9,122.07/13,684.51 = 3,857.09/x
  3. Step 3: Cross multiply
    9,122.07x = 13,684.51 × 3,857.09
  4. Step 4: Simplify right side
    9,122.07x = 52,782,386.68
  5. Step 5: Solve for x
    x = 52,782,386.68/9,122.07
  6. Step 6: Final answer
    x = 5,786.23

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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.