Finding the Fourth Proportional to 4,867.44, 6,717.23 and 2,879.70
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Solution
The fourth proportional to 4,867.44, 6,717.23 and 2,879.70 is: 3,974.08
Step by Step Solution
- Step 1: Write the proportion equation
4,867.44 : 6,717.23 = 2,879.70 : x - Step 2: Convert to fraction form
4,867.44/6,717.23 = 2,879.70/x - Step 3: Cross multiply
4,867.44x = 6,717.23 × 2,879.70 - Step 4: Simplify right side
4,867.44x = 19,343,607.23 - Step 5: Solve for x
x = 19,343,607.23/4,867.44 - Step 6: Final answer
x = 3,974.08
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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.