Finding the Fourth Proportional to 7,750.13, 11,625.21 and 2,556.41
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Solution
The fourth proportional to 7,750.13, 11,625.21 and 2,556.41 is: 3,834.61
Step by Step Solution
- Step 1: Write the proportion equation
7,750.13 : 11,625.21 = 2,556.41 : x - Step 2: Convert to fraction form
7,750.13/11,625.21 = 2,556.41/x - Step 3: Cross multiply
7,750.13x = 11,625.21 × 2,556.41 - Step 4: Simplify right side
7,750.13x = 29,718,744.97 - Step 5: Solve for x
x = 29,718,744.97/7,750.13 - Step 6: Final answer
x = 3,834.61
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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.