Home / 4,043.36-6,065.02-1,121.80

Finding the Fourth Proportional to 4,043.36, 6,065.02 and 1,121.80

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Solution

The fourth proportional to 4,043.36, 6,065.02 and 1,121.80 is: 1,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.36 : 6,065.02 = 1,121.80 : x
  2. Step 2: Convert to fraction form
    4,043.36/6,065.02 = 1,121.80/x
  3. Step 3: Cross multiply
    4,043.36x = 6,065.02 × 1,121.80
  4. Step 4: Simplify right side
    4,043.36x = 6,803,739.44
  5. Step 5: Solve for x
    x = 6,803,739.44/4,043.36
  6. Step 6: Final answer
    x = 1,682.69

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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.