Home / 9,085.44-13,629.60-2,928

Finding the Fourth Proportional to 9,085.44, 13,629.60 and 2,928

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Solution

The fourth proportional to 9,085.44, 13,629.60 and 2,928 is: 4,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.44 : 13,629.60 = 2,928 : x
  2. Step 2: Convert to fraction form
    9,085.44/13,629.60 = 2,928/x
  3. Step 3: Cross multiply
    9,085.44x = 13,629.60 × 2,928
  4. Step 4: Simplify right side
    9,085.44x = 39,907,468.80
  5. Step 5: Solve for x
    x = 39,907,468.80/9,085.44
  6. Step 6: Final answer
    x = 4,392.46

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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.