Finding the Fourth Proportional to 7,886.65, 11,805.36 and 5,809
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Solution
The fourth proportional to 7,886.65, 11,805.36 and 5,809 is: 8,695.37
Step by Step Solution
- Step 1: Write the proportion equation
7,886.65 : 11,805.36 = 5,809 : x - Step 2: Convert to fraction form
7,886.65/11,805.36 = 5,809/x - Step 3: Cross multiply
7,886.65x = 11,805.36 × 5,809 - Step 4: Simplify right side
7,886.65x = 68,577,336.24 - Step 5: Solve for x
x = 68,577,336.24/7,886.65 - Step 6: Final answer
x = 8,695.37
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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.