Finding the Fourth Proportional to 4,709.47, 7,059.88 and 2,110.99
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Solution
The fourth proportional to 4,709.47, 7,059.88 and 2,110.99 is: 3,164.55
Step by Step Solution
- Step 1: Write the proportion equation
4,709.47 : 7,059.88 = 2,110.99 : x - Step 2: Convert to fraction form
4,709.47/7,059.88 = 2,110.99/x - Step 3: Cross multiply
4,709.47x = 7,059.88 × 2,110.99 - Step 4: Simplify right side
4,709.47x = 14,903,336.08 - Step 5: Solve for x
x = 14,903,336.08/4,709.47 - Step 6: Final answer
x = 3,164.55
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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.