Home / 4,075.20-6,103.20-2,769.60

Finding the Fourth Proportional to 4,075.20, 6,103.20 and 2,769.60

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Solution

The fourth proportional to 4,075.20, 6,103.20 and 2,769.60 is: 4,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.20 : 6,103.20 = 2,769.60 : x
  2. Step 2: Convert to fraction form
    4,075.20/6,103.20 = 2,769.60/x
  3. Step 3: Cross multiply
    4,075.20x = 6,103.20 × 2,769.60
  4. Step 4: Simplify right side
    4,075.20x = 16,903,422.72
  5. Step 5: Solve for x
    x = 16,903,422.72/4,075.20
  6. Step 6: Final answer
    x = 4,147.88

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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.