Finding the Fourth Proportional to 8,175.99, 11,286.33 and 5,526.99
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Solution
The fourth proportional to 8,175.99, 11,286.33 and 5,526.99 is: 7,629.59
Step by Step Solution
- Step 1: Write the proportion equation
8,175.99 : 11,286.33 = 5,526.99 : x - Step 2: Convert to fraction form
8,175.99/11,286.33 = 5,526.99/x - Step 3: Cross multiply
8,175.99x = 11,286.33 × 5,526.99 - Step 4: Simplify right side
8,175.99x = 62,379,433.05 - Step 5: Solve for x
x = 62,379,433.05/8,175.99 - Step 6: Final answer
x = 7,629.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.