Finding the Fourth Proportional to 4,629.44, 6,942.09 and 2,164.99
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Solution
The fourth proportional to 4,629.44, 6,942.09 and 2,164.99 is: 3,246.52
Step by Step Solution
- Step 1: Write the proportion equation
4,629.44 : 6,942.09 = 2,164.99 : x - Step 2: Convert to fraction form
4,629.44/6,942.09 = 2,164.99/x - Step 3: Cross multiply
4,629.44x = 6,942.09 × 2,164.99 - Step 4: Simplify right side
4,629.44x = 15,029,555.43 - Step 5: Solve for x
x = 15,029,555.43/4,629.44 - Step 6: Final answer
x = 3,246.52
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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.