Finding the Fourth Proportional to 4,759.19, 7,135.74 and 2,289.09
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Solution
The fourth proportional to 4,759.19, 7,135.74 and 2,289.09 is: 3,432.17
Step by Step Solution
- Step 1: Write the proportion equation
4,759.19 : 7,135.74 = 2,289.09 : x - Step 2: Convert to fraction form
4,759.19/7,135.74 = 2,289.09/x - Step 3: Cross multiply
4,759.19x = 7,135.74 × 2,289.09 - Step 4: Simplify right side
4,759.19x = 16,334,351.08 - Step 5: Solve for x
x = 16,334,351.08/4,759.19 - Step 6: Final answer
x = 3,432.17
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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.