Finding the Fourth Proportional to 4,378.18, 6,568.93 and 2,624.44
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Solution
The fourth proportional to 4,378.18, 6,568.93 and 2,624.44 is: 3,937.65
Step by Step Solution
- Step 1: Write the proportion equation
4,378.18 : 6,568.93 = 2,624.44 : x - Step 2: Convert to fraction form
4,378.18/6,568.93 = 2,624.44/x - Step 3: Cross multiply
4,378.18x = 6,568.93 × 2,624.44 - Step 4: Simplify right side
4,378.18x = 17,239,747.05 - Step 5: Solve for x
x = 17,239,747.05/4,378.18 - Step 6: Final answer
x = 3,937.65
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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.