Finding the Fourth Proportional to 10,277.80, 14,183.39 and 5,562.09
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Solution
The fourth proportional to 10,277.80, 14,183.39 and 5,562.09 is: 7,675.70
Step by Step Solution
- Step 1: Write the proportion equation
10,277.80 : 14,183.39 = 5,562.09 : x - Step 2: Convert to fraction form
10,277.80/14,183.39 = 5,562.09/x - Step 3: Cross multiply
10,277.80x = 14,183.39 × 5,562.09 - Step 4: Simplify right side
10,277.80x = 78,889,291.69 - Step 5: Solve for x
x = 78,889,291.69/10,277.80 - Step 6: Final answer
x = 7,675.70
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1.5x scale
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.