Finding the Fourth Proportional to 6,900.75, 10,351.35 and 1,706.63
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Solution
The fourth proportional to 6,900.75, 10,351.35 and 1,706.63 is: 2,559.99
Step by Step Solution
- Step 1: Write the proportion equation
6,900.75 : 10,351.35 = 1,706.63 : x - Step 2: Convert to fraction form
6,900.75/10,351.35 = 1,706.63/x - Step 3: Cross multiply
6,900.75x = 10,351.35 × 1,706.63 - Step 4: Simplify right side
6,900.75x = 17,665,872.69 - Step 5: Solve for x
x = 17,665,872.69/6,900.75 - Step 6: Final answer
x = 2,559.99
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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.