Finding the Fourth Proportional to 7,769.51, 11,652.62 and 2,504.99
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Solution
The fourth proportional to 7,769.51, 11,652.62 and 2,504.99 is: 3,756.95
Step by Step Solution
- Step 1: Write the proportion equation
7,769.51 : 11,652.62 = 2,504.99 : x - Step 2: Convert to fraction form
7,769.51/11,652.62 = 2,504.99/x - Step 3: Cross multiply
7,769.51x = 11,652.62 × 2,504.99 - Step 4: Simplify right side
7,769.51x = 29,189,625.79 - Step 5: Solve for x
x = 29,189,625.79/7,769.51 - Step 6: Final answer
x = 3,756.95
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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.