Home / 4,080.80-6,107.61-3,101.42

Finding the Fourth Proportional to 4,080.80, 6,107.61 and 3,101.42

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Solution

The fourth proportional to 4,080.80, 6,107.61 and 3,101.42 is: 4,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.80 : 6,107.61 = 3,101.42 : x
  2. Step 2: Convert to fraction form
    4,080.80/6,107.61 = 3,101.42/x
  3. Step 3: Cross multiply
    4,080.80x = 6,107.61 × 3,101.42
  4. Step 4: Simplify right side
    4,080.80x = 18,942,263.81
  5. Step 5: Solve for x
    x = 18,942,263.81/4,080.80
  6. Step 6: Final answer
    x = 4,641.80

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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.