Finding the Fourth Proportional to 7,992.97, 11,028.63 and 4,848.55
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Solution
The fourth proportional to 7,992.97, 11,028.63 and 4,848.55 is: 6,689.99
Step by Step Solution
- Step 1: Write the proportion equation
7,992.97 : 11,028.63 = 4,848.55 : x - Step 2: Convert to fraction form
7,992.97/11,028.63 = 4,848.55/x - Step 3: Cross multiply
7,992.97x = 11,028.63 × 4,848.55 - Step 4: Simplify right side
7,992.97x = 53,472,863.99 - Step 5: Solve for x
x = 53,472,863.99/7,992.97 - Step 6: Final answer
x = 6,689.99
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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.