Home / 9,285.30-13,928.49-3,738.60

Finding the Fourth Proportional to 9,285.30, 13,928.49 and 3,738.60

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Solution

The fourth proportional to 9,285.30, 13,928.49 and 3,738.60 is: 5,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.30 : 13,928.49 = 3,738.60 : x
  2. Step 2: Convert to fraction form
    9,285.30/13,928.49 = 3,738.60/x
  3. Step 3: Cross multiply
    9,285.30x = 13,928.49 × 3,738.60
  4. Step 4: Simplify right side
    9,285.30x = 52,073,052.71
  5. Step 5: Solve for x
    x = 52,073,052.71/9,285.30
  6. Step 6: Final answer
    x = 5,608.12

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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.