Finding the Fourth Proportional to 4,659.84, 6,988 and 1,372
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Solution
The fourth proportional to 4,659.84, 6,988 and 1,372 is: 2,057.48
Step by Step Solution
- Step 1: Write the proportion equation
4,659.84 : 6,988 = 1,372 : x - Step 2: Convert to fraction form
4,659.84/6,988 = 1,372/x - Step 3: Cross multiply
4,659.84x = 6,988 × 1,372 - Step 4: Simplify right side
4,659.84x = 9,587,536 - Step 5: Solve for x
x = 9,587,536/4,659.84 - Step 6: Final answer
x = 2,057.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.