Home / 4,072.10-5,611.97-3,075.80

Finding the Fourth Proportional to 4,072.10, 5,611.97 and 3,075.80

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Solution

The fourth proportional to 4,072.10, 5,611.97 and 3,075.80 is: 4,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.10 : 5,611.97 = 3,075.80 : x
  2. Step 2: Convert to fraction form
    4,072.10/5,611.97 = 3,075.80/x
  3. Step 3: Cross multiply
    4,072.10x = 5,611.97 × 3,075.80
  4. Step 4: Simplify right side
    4,072.10x = 17,261,281.95
  5. Step 5: Solve for x
    x = 17,261,281.95/4,072.10
  6. Step 6: Final answer
    x = 4,238.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.