Finding the Fourth Proportional to 5,768, 8,653.08 and 2,690
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Solution
The fourth proportional to 5,768, 8,653.08 and 2,690 is: 4,035.50
Step by Step Solution
- Step 1: Write the proportion equation
5,768 : 8,653.08 = 2,690 : x - Step 2: Convert to fraction form
5,768/8,653.08 = 2,690/x - Step 3: Cross multiply
5,768x = 8,653.08 × 2,690 - Step 4: Simplify right side
5,768x = 23,276,785.20 - Step 5: Solve for x
x = 23,276,785.20/5,768 - Step 6: Final answer
x = 4,035.50
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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.