Finding the Fourth Proportional to 5,246.67, 7,240.19 and 3,006.99
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Solution
The fourth proportional to 5,246.67, 7,240.19 and 3,006.99 is: 4,149.52
Step by Step Solution
- Step 1: Write the proportion equation
5,246.67 : 7,240.19 = 3,006.99 : x - Step 2: Convert to fraction form
5,246.67/7,240.19 = 3,006.99/x - Step 3: Cross multiply
5,246.67x = 7,240.19 × 3,006.99 - Step 4: Simplify right side
5,246.67x = 21,771,178.93 - Step 5: Solve for x
x = 21,771,178.93/5,246.67 - Step 6: Final answer
x = 4,149.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.