Home / 9,747.80-14,619.46-2,728.31

Finding the Fourth Proportional to 9,747.80, 14,619.46 and 2,728.31

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Solution

The fourth proportional to 9,747.80, 14,619.46 and 2,728.31 is: 4,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.80 : 14,619.46 = 2,728.31 : x
  2. Step 2: Convert to fraction form
    9,747.80/14,619.46 = 2,728.31/x
  3. Step 3: Cross multiply
    9,747.80x = 14,619.46 × 2,728.31
  4. Step 4: Simplify right side
    9,747.80x = 39,886,338.99
  5. Step 5: Solve for x
    x = 39,886,338.99/9,747.80
  6. Step 6: Final answer
    x = 4,091.83

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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.