Finding the Fourth Proportional to 7,564.62, 10,437.91 and 4,206.99
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Solution
The fourth proportional to 7,564.62, 10,437.91 and 4,206.99 is: 5,804.94
Step by Step Solution
- Step 1: Write the proportion equation
7,564.62 : 10,437.91 = 4,206.99 : x - Step 2: Convert to fraction form
7,564.62/10,437.91 = 4,206.99/x - Step 3: Cross multiply
7,564.62x = 10,437.91 × 4,206.99 - Step 4: Simplify right side
7,564.62x = 43,912,182.99 - Step 5: Solve for x
x = 43,912,182.99/7,564.62 - Step 6: Final answer
x = 5,804.94
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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.