Finding the Fourth Proportional to 7,341.08, 11,012.99 and 2,412.14
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Solution
The fourth proportional to 7,341.08, 11,012.99 and 2,412.14 is: 3,618.65
Step by Step Solution
- Step 1: Write the proportion equation
7,341.08 : 11,012.99 = 2,412.14 : x - Step 2: Convert to fraction form
7,341.08/11,012.99 = 2,412.14/x - Step 3: Cross multiply
7,341.08x = 11,012.99 × 2,412.14 - Step 4: Simplify right side
7,341.08x = 26,564,806.57 - Step 5: Solve for x
x = 26,564,806.57/7,341.08 - Step 6: Final answer
x = 3,618.65
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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.