Home / 4,804.20-7,211.70-2,611.80

Finding the Fourth Proportional to 4,804.20, 7,211.70 and 2,611.80

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Solution

The fourth proportional to 4,804.20, 7,211.70 and 2,611.80 is: 3,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.20 : 7,211.70 = 2,611.80 : x
  2. Step 2: Convert to fraction form
    4,804.20/7,211.70 = 2,611.80/x
  3. Step 3: Cross multiply
    4,804.20x = 7,211.70 × 2,611.80
  4. Step 4: Simplify right side
    4,804.20x = 18,835,518.06
  5. Step 5: Solve for x
    x = 18,835,518.06/4,804.20
  6. Step 6: Final answer
    x = 3,920.64

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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.