Finding the Fourth Proportional to 7,551.60, 11,328.98 and 2,286.99
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Solution
The fourth proportional to 7,551.60, 11,328.98 and 2,286.99 is: 3,430.96
Step by Step Solution
- Step 1: Write the proportion equation
7,551.60 : 11,328.98 = 2,286.99 : x - Step 2: Convert to fraction form
7,551.60/11,328.98 = 2,286.99/x - Step 3: Cross multiply
7,551.60x = 11,328.98 × 2,286.99 - Step 4: Simplify right side
7,551.60x = 25,909,252.54 - Step 5: Solve for x
x = 25,909,252.54/7,551.60 - Step 6: Final answer
x = 3,430.96
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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.