Finding the Fourth Proportional to 4,025.13, 6,038.21 and 1,428.09
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Solution
The fourth proportional to 4,025.13, 6,038.21 and 1,428.09 is: 2,142.31
Step by Step Solution
- Step 1: Write the proportion equation
4,025.13 : 6,038.21 = 1,428.09 : x - Step 2: Convert to fraction form
4,025.13/6,038.21 = 1,428.09/x - Step 3: Cross multiply
4,025.13x = 6,038.21 × 1,428.09 - Step 4: Simplify right side
4,025.13x = 8,623,069.99 - Step 5: Solve for x
x = 8,623,069.99/4,025.13 - Step 6: Final answer
x = 2,142.31
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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.