Finding the Fourth Proportional to 7,750.10, 10,696.68 and 4,605.68
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Solution
The fourth proportional to 7,750.10, 10,696.68 and 4,605.68 is: 6,356.75
Step by Step Solution
- Step 1: Write the proportion equation
7,750.10 : 10,696.68 = 4,605.68 : x - Step 2: Convert to fraction form
7,750.10/10,696.68 = 4,605.68/x - Step 3: Cross multiply
7,750.10x = 10,696.68 × 4,605.68 - Step 4: Simplify right side
7,750.10x = 49,265,485.14 - Step 5: Solve for x
x = 49,265,485.14/7,750.10 - Step 6: Final answer
x = 6,356.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.