Finding the Fourth Proportional to 7,690.23, 11,537.01 and 4,183.74
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Solution
The fourth proportional to 7,690.23, 11,537.01 and 4,183.74 is: 6,276.52
Step by Step Solution
- Step 1: Write the proportion equation
7,690.23 : 11,537.01 = 4,183.74 : x - Step 2: Convert to fraction form
7,690.23/11,537.01 = 4,183.74/x - Step 3: Cross multiply
7,690.23x = 11,537.01 × 4,183.74 - Step 4: Simplify right side
7,690.23x = 48,267,850.22 - Step 5: Solve for x
x = 48,267,850.22/7,690.23 - Step 6: Final answer
x = 6,276.52
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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.