Home / 4,075.74-6,112.80-1,994.85

Finding the Fourth Proportional to 4,075.74, 6,112.80 and 1,994.85

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Solution

The fourth proportional to 4,075.74, 6,112.80 and 1,994.85 is: 2,991.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.74 : 6,112.80 = 1,994.85 : x
  2. Step 2: Convert to fraction form
    4,075.74/6,112.80 = 1,994.85/x
  3. Step 3: Cross multiply
    4,075.74x = 6,112.80 × 1,994.85
  4. Step 4: Simplify right side
    4,075.74x = 12,194,119.08
  5. Step 5: Solve for x
    x = 12,194,119.08/4,075.74
  6. Step 6: Final answer
    x = 2,991.88

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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.