Home / 9,228.89-13,845.16-3,385.55

Finding the Fourth Proportional to 9,228.89, 13,845.16 and 3,385.55

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Solution

The fourth proportional to 9,228.89, 13,845.16 and 3,385.55 is: 5,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.89 : 13,845.16 = 3,385.55 : x
  2. Step 2: Convert to fraction form
    9,228.89/13,845.16 = 3,385.55/x
  3. Step 3: Cross multiply
    9,228.89x = 13,845.16 × 3,385.55
  4. Step 4: Simplify right side
    9,228.89x = 46,873,481.44
  5. Step 5: Solve for x
    x = 46,873,481.44/9,228.89
  6. Step 6: Final answer
    x = 5,078.99

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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.