Finding the Fourth Proportional to 7,873.68, 11,806.98 and 2,325.09
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Solution
The fourth proportional to 7,873.68, 11,806.98 and 2,325.09 is: 3,486.59
Step by Step Solution
- Step 1: Write the proportion equation
7,873.68 : 11,806.98 = 2,325.09 : x - Step 2: Convert to fraction form
7,873.68/11,806.98 = 2,325.09/x - Step 3: Cross multiply
7,873.68x = 11,806.98 × 2,325.09 - Step 4: Simplify right side
7,873.68x = 27,452,291.13 - Step 5: Solve for x
x = 27,452,291.13/7,873.68 - Step 6: Final answer
x = 3,486.59
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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.