Home / 4,075.40-6,112.20-1,153.04

Finding the Fourth Proportional to 4,075.40, 6,112.20 and 1,153.04

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Solution

The fourth proportional to 4,075.40, 6,112.20 and 1,153.04 is: 1,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.40 : 6,112.20 = 1,153.04 : x
  2. Step 2: Convert to fraction form
    4,075.40/6,112.20 = 1,153.04/x
  3. Step 3: Cross multiply
    4,075.40x = 6,112.20 × 1,153.04
  4. Step 4: Simplify right side
    4,075.40x = 7,047,611.09
  5. Step 5: Solve for x
    x = 7,047,611.09/4,075.40
  6. Step 6: Final answer
    x = 1,729.31

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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.