Finding the Fourth Proportional to 10,133.59, 15,202.73 and 3,208.09
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Solution
The fourth proportional to 10,133.59, 15,202.73 and 3,208.09 is: 4,812.88
Step by Step Solution
- Step 1: Write the proportion equation
10,133.59 : 15,202.73 = 3,208.09 : x - Step 2: Convert to fraction form
10,133.59/15,202.73 = 3,208.09/x - Step 3: Cross multiply
10,133.59x = 15,202.73 × 3,208.09 - Step 4: Simplify right side
10,133.59x = 48,771,710.05 - Step 5: Solve for x
x = 48,771,710.05/10,133.59 - Step 6: Final answer
x = 4,812.88
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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.