Finding the Fourth Proportional to 4,900, 6,762 and 2,804.08
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Solution
The fourth proportional to 4,900, 6,762 and 2,804.08 is: 3,869.63
Step by Step Solution
- Step 1: Write the proportion equation
4,900 : 6,762 = 2,804.08 : x - Step 2: Convert to fraction form
4,900/6,762 = 2,804.08/x - Step 3: Cross multiply
4,900x = 6,762 × 2,804.08 - Step 4: Simplify right side
4,900x = 18,961,188.96 - Step 5: Solve for x
x = 18,961,188.96/4,900 - Step 6: Final answer
x = 3,869.63
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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.