Home / 7,770.49-11,647.44-3,084.01

Finding the Fourth Proportional to 7,770.49, 11,647.44 and 3,084.01

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Solution

The fourth proportional to 7,770.49, 11,647.44 and 3,084.01 is: 4,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.49 : 11,647.44 = 3,084.01 : x
  2. Step 2: Convert to fraction form
    7,770.49/11,647.44 = 3,084.01/x
  3. Step 3: Cross multiply
    7,770.49x = 11,647.44 × 3,084.01
  4. Step 4: Simplify right side
    7,770.49x = 35,920,806.01
  5. Step 5: Solve for x
    x = 35,920,806.01/7,770.49
  6. Step 6: Final answer
    x = 4,622.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.