Home / 5,080.07-7,620.44-1,960.11

Finding the Fourth Proportional to 5,080.07, 7,620.44 and 1,960.11

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Solution

The fourth proportional to 5,080.07, 7,620.44 and 1,960.11 is: 2,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.07 : 7,620.44 = 1,960.11 : x
  2. Step 2: Convert to fraction form
    5,080.07/7,620.44 = 1,960.11/x
  3. Step 3: Cross multiply
    5,080.07x = 7,620.44 × 1,960.11
  4. Step 4: Simplify right side
    5,080.07x = 14,936,890.85
  5. Step 5: Solve for x
    x = 14,936,890.85/5,080.07
  6. Step 6: Final answer
    x = 2,940.30

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1.5x scale

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.