Finding the Fourth Proportional to 6,765.36, 10,135.80 and 6,358.68
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Solution
The fourth proportional to 6,765.36, 10,135.80 and 6,358.68 is: 9,526.52
Step by Step Solution
- Step 1: Write the proportion equation
6,765.36 : 10,135.80 = 6,358.68 : x - Step 2: Convert to fraction form
6,765.36/10,135.80 = 6,358.68/x - Step 3: Cross multiply
6,765.36x = 10,135.80 × 6,358.68 - Step 4: Simplify right side
6,765.36x = 64,450,308.74 - Step 5: Solve for x
x = 64,450,308.74/6,765.36 - Step 6: Final answer
x = 9,526.52
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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.