Home / 4,198.26-6,289.56-2,807.50

Finding the Fourth Proportional to 4,198.26, 6,289.56 and 2,807.50

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Solution

The fourth proportional to 4,198.26, 6,289.56 and 2,807.50 is: 4,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.26 : 6,289.56 = 2,807.50 : x
  2. Step 2: Convert to fraction form
    4,198.26/6,289.56 = 2,807.50/x
  3. Step 3: Cross multiply
    4,198.26x = 6,289.56 × 2,807.50
  4. Step 4: Simplify right side
    4,198.26x = 17,657,939.70
  5. Step 5: Solve for x
    x = 17,657,939.70/4,198.26
  6. Step 6: Final answer
    x = 4,206.01

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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.