Finding the Fourth Proportional to 7,590.08, 11,386.74 and 2,660.02
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Solution
The fourth proportional to 7,590.08, 11,386.74 and 2,660.02 is: 3,990.60
Step by Step Solution
- Step 1: Write the proportion equation
7,590.08 : 11,386.74 = 2,660.02 : x - Step 2: Convert to fraction form
7,590.08/11,386.74 = 2,660.02/x - Step 3: Cross multiply
7,590.08x = 11,386.74 × 2,660.02 - Step 4: Simplify right side
7,590.08x = 30,288,956.13 - Step 5: Solve for x
x = 30,288,956.13/7,590.08 - Step 6: Final answer
x = 3,990.60
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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.