Home / 4,080.06-6,121.98-2,692.80

Finding the Fourth Proportional to 4,080.06, 6,121.98 and 2,692.80

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Solution

The fourth proportional to 4,080.06, 6,121.98 and 2,692.80 is: 4,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.06 : 6,121.98 = 2,692.80 : x
  2. Step 2: Convert to fraction form
    4,080.06/6,121.98 = 2,692.80/x
  3. Step 3: Cross multiply
    4,080.06x = 6,121.98 × 2,692.80
  4. Step 4: Simplify right side
    4,080.06x = 16,485,267.74
  5. Step 5: Solve for x
    x = 16,485,267.74/4,080.06
  6. Step 6: Final answer
    x = 4,040.45

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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.