Finding the Fourth Proportional to 5,148.99, 7,723.49 and 2,070.99
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Solution
The fourth proportional to 5,148.99, 7,723.49 and 2,070.99 is: 3,106.49
Step by Step Solution
- Step 1: Write the proportion equation
5,148.99 : 7,723.49 = 2,070.99 : x - Step 2: Convert to fraction form
5,148.99/7,723.49 = 2,070.99/x - Step 3: Cross multiply
5,148.99x = 7,723.49 × 2,070.99 - Step 4: Simplify right side
5,148.99x = 15,995,260.20 - Step 5: Solve for x
x = 15,995,260.20/5,148.99 - Step 6: Final answer
x = 3,106.49
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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.