Finding the Fourth Proportional to 7,935.08, 10,937.70 and 6,253.70
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Solution
The fourth proportional to 7,935.08, 10,937.70 and 6,253.70 is: 8,620.09
Step by Step Solution
- Step 1: Write the proportion equation
7,935.08 : 10,937.70 = 6,253.70 : x - Step 2: Convert to fraction form
7,935.08/10,937.70 = 6,253.70/x - Step 3: Cross multiply
7,935.08x = 10,937.70 × 6,253.70 - Step 4: Simplify right side
7,935.08x = 68,401,039.80 - Step 5: Solve for x
x = 68,401,039.80/7,935.08 - Step 6: Final answer
x = 8,620.09
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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.