Finding the Fourth Proportional to 4,658, 6,988.08 and 1,580
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Solution
The fourth proportional to 4,658, 6,988.08 and 1,580 is: 2,370.37
Step by Step Solution
- Step 1: Write the proportion equation
4,658 : 6,988.08 = 1,580 : x - Step 2: Convert to fraction form
4,658/6,988.08 = 1,580/x - Step 3: Cross multiply
4,658x = 6,988.08 × 1,580 - Step 4: Simplify right side
4,658x = 11,041,166.40 - Step 5: Solve for x
x = 11,041,166.40/4,658 - Step 6: Final answer
x = 2,370.37
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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.