Home / 9,086.25-13,629.38-2,930.25

Finding the Fourth Proportional to 9,086.25, 13,629.38 and 2,930.25

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Solution

The fourth proportional to 9,086.25, 13,629.38 and 2,930.25 is: 4,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.25 : 13,629.38 = 2,930.25 : x
  2. Step 2: Convert to fraction form
    9,086.25/13,629.38 = 2,930.25/x
  3. Step 3: Cross multiply
    9,086.25x = 13,629.38 × 2,930.25
  4. Step 4: Simplify right side
    9,086.25x = 39,937,476.09
  5. Step 5: Solve for x
    x = 39,937,476.09/9,086.25
  6. Step 6: Final answer
    x = 4,395.38

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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.