Finding the Fourth Proportional to 4,267.76, 6,400.08 and 2,187.08
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Solution
The fourth proportional to 4,267.76, 6,400.08 and 2,187.08 is: 3,279.82
Step by Step Solution
- Step 1: Write the proportion equation
4,267.76 : 6,400.08 = 2,187.08 : x - Step 2: Convert to fraction form
4,267.76/6,400.08 = 2,187.08/x - Step 3: Cross multiply
4,267.76x = 6,400.08 × 2,187.08 - Step 4: Simplify right side
4,267.76x = 13,997,486.97 - Step 5: Solve for x
x = 13,997,486.97/4,267.76 - Step 6: Final answer
x = 3,279.82
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1.5x scale
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.