Finding the Fourth Proportional to 9,821.05, 14,732.04 and 3,247.09
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Solution
The fourth proportional to 9,821.05, 14,732.04 and 3,247.09 is: 4,870.79
Step by Step Solution
- Step 1: Write the proportion equation
9,821.05 : 14,732.04 = 3,247.09 : x - Step 2: Convert to fraction form
9,821.05/14,732.04 = 3,247.09/x - Step 3: Cross multiply
9,821.05x = 14,732.04 × 3,247.09 - Step 4: Simplify right side
9,821.05x = 47,836,259.76 - Step 5: Solve for x
x = 47,836,259.76/9,821.05 - Step 6: Final answer
x = 4,870.79
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1.5x scale
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.