Home / 4,011.60-6,022.80-3,190.80

Finding the Fourth Proportional to 4,011.60, 6,022.80 and 3,190.80

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Solution

The fourth proportional to 4,011.60, 6,022.80 and 3,190.80 is: 4,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.60 : 6,022.80 = 3,190.80 : x
  2. Step 2: Convert to fraction form
    4,011.60/6,022.80 = 3,190.80/x
  3. Step 3: Cross multiply
    4,011.60x = 6,022.80 × 3,190.80
  4. Step 4: Simplify right side
    4,011.60x = 19,217,550.24
  5. Step 5: Solve for x
    x = 19,217,550.24/4,011.60
  6. Step 6: Final answer
    x = 4,790.50

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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.