Home / 4,043.55-6,065.57-1,121.79

Finding the Fourth Proportional to 4,043.55, 6,065.57 and 1,121.79

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Solution

The fourth proportional to 4,043.55, 6,065.57 and 1,121.79 is: 1,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.55 : 6,065.57 = 1,121.79 : x
  2. Step 2: Convert to fraction form
    4,043.55/6,065.57 = 1,121.79/x
  3. Step 3: Cross multiply
    4,043.55x = 6,065.57 × 1,121.79
  4. Step 4: Simplify right side
    4,043.55x = 6,804,290.16
  5. Step 5: Solve for x
    x = 6,804,290.16/4,043.55
  6. Step 6: Final answer
    x = 1,682.75

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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.