Finding the Fourth Proportional to 7,247.06, 10,809.68 and 6,582.66
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Solution
The fourth proportional to 7,247.06, 10,809.68 and 6,582.66 is: 9,818.66
Step by Step Solution
- Step 1: Write the proportion equation
7,247.06 : 10,809.68 = 6,582.66 : x - Step 2: Convert to fraction form
7,247.06/10,809.68 = 6,582.66/x - Step 3: Cross multiply
7,247.06x = 10,809.68 × 6,582.66 - Step 4: Simplify right side
7,247.06x = 71,156,415.24 - Step 5: Solve for x
x = 71,156,415.24/7,247.06 - Step 6: Final answer
x = 9,818.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.