Finding the Fourth Proportional to 7,574.19, 10,449.99 and 5,975.79
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Solution
The fourth proportional to 7,574.19, 10,449.99 and 5,975.79 is: 8,244.70
Step by Step Solution
- Step 1: Write the proportion equation
7,574.19 : 10,449.99 = 5,975.79 : x - Step 2: Convert to fraction form
7,574.19/10,449.99 = 5,975.79/x - Step 3: Cross multiply
7,574.19x = 10,449.99 × 5,975.79 - Step 4: Simplify right side
7,574.19x = 62,446,945.74 - Step 5: Solve for x
x = 62,446,945.74/7,574.19 - Step 6: Final answer
x = 8,244.70
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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.