Finding the Fourth Proportional to 7,473.39, 11,207.45 and 2,206.99
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Solution
The fourth proportional to 7,473.39, 11,207.45 and 2,206.99 is: 3,309.71
Step by Step Solution
- Step 1: Write the proportion equation
7,473.39 : 11,207.45 = 2,206.99 : x - Step 2: Convert to fraction form
7,473.39/11,207.45 = 2,206.99/x - Step 3: Cross multiply
7,473.39x = 11,207.45 × 2,206.99 - Step 4: Simplify right side
7,473.39x = 24,734,730.08 - Step 5: Solve for x
x = 24,734,730.08/7,473.39 - Step 6: Final answer
x = 3,309.71
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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.