Finding the Fourth Proportional to 5,298.96, 7,909.56 and 4,908
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Solution
The fourth proportional to 5,298.96, 7,909.56 and 4,908 is: 7,325.99
Step by Step Solution
- Step 1: Write the proportion equation
5,298.96 : 7,909.56 = 4,908 : x - Step 2: Convert to fraction form
5,298.96/7,909.56 = 4,908/x - Step 3: Cross multiply
5,298.96x = 7,909.56 × 4,908 - Step 4: Simplify right side
5,298.96x = 38,820,120.48 - Step 5: Solve for x
x = 38,820,120.48/5,298.96 - Step 6: Final answer
x = 7,325.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.