Finding the Fourth Proportional to 7,847.68, 10,824 and 5,048.32
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Solution
The fourth proportional to 7,847.68, 10,824 and 5,048.32 is: 6,962.95
Step by Step Solution
- Step 1: Write the proportion equation
7,847.68 : 10,824 = 5,048.32 : x - Step 2: Convert to fraction form
7,847.68/10,824 = 5,048.32/x - Step 3: Cross multiply
7,847.68x = 10,824 × 5,048.32 - Step 4: Simplify right side
7,847.68x = 54,643,015.68 - Step 5: Solve for x
x = 54,643,015.68/7,847.68 - Step 6: Final answer
x = 6,962.95
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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.