Finding the Fourth Proportional to 6,290.55, 9,435.78 and 1,908
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Solution
The fourth proportional to 6,290.55, 9,435.78 and 1,908 is: 2,861.99
Step by Step Solution
- Step 1: Write the proportion equation
6,290.55 : 9,435.78 = 1,908 : x - Step 2: Convert to fraction form
6,290.55/9,435.78 = 1,908/x - Step 3: Cross multiply
6,290.55x = 9,435.78 × 1,908 - Step 4: Simplify right side
6,290.55x = 18,003,468.24 - Step 5: Solve for x
x = 18,003,468.24/6,290.55 - Step 6: Final answer
x = 2,861.99
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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.