Finding the Fourth Proportional to 4,881.60, 7,317.36 and 2,110.08
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Solution
The fourth proportional to 4,881.60, 7,317.36 and 2,110.08 is: 3,162.94
Step by Step Solution
- Step 1: Write the proportion equation
4,881.60 : 7,317.36 = 2,110.08 : x - Step 2: Convert to fraction form
4,881.60/7,317.36 = 2,110.08/x - Step 3: Cross multiply
4,881.60x = 7,317.36 × 2,110.08 - Step 4: Simplify right side
4,881.60x = 15,440,214.99 - Step 5: Solve for x
x = 15,440,214.99/4,881.60 - Step 6: Final answer
x = 3,162.94
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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.