Finding the Fourth Proportional to 7,370.67, 11,056.01 and 2,438.99
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Solution
The fourth proportional to 7,370.67, 11,056.01 and 2,438.99 is: 3,658.49
Step by Step Solution
- Step 1: Write the proportion equation
7,370.67 : 11,056.01 = 2,438.99 : x - Step 2: Convert to fraction form
7,370.67/11,056.01 = 2,438.99/x - Step 3: Cross multiply
7,370.67x = 11,056.01 × 2,438.99 - Step 4: Simplify right side
7,370.67x = 26,965,497.83 - Step 5: Solve for x
x = 26,965,497.83/7,370.67 - Step 6: Final answer
x = 3,658.49
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Double scale
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Similar ratio
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1.5x scale
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.