Home / 4,980.49-7,471.91-2,790.73

Finding the Fourth Proportional to 4,980.49, 7,471.91 and 2,790.73

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Solution

The fourth proportional to 4,980.49, 7,471.91 and 2,790.73 is: 4,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.49 : 7,471.91 = 2,790.73 : x
  2. Step 2: Convert to fraction form
    4,980.49/7,471.91 = 2,790.73/x
  3. Step 3: Cross multiply
    4,980.49x = 7,471.91 × 2,790.73
  4. Step 4: Simplify right side
    4,980.49x = 20,852,069.44
  5. Step 5: Solve for x
    x = 20,852,069.44/4,980.49
  6. Step 6: Final answer
    x = 4,186.75

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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.