Home / 4,289.58-6,422.23-2,725.70

Finding the Fourth Proportional to 4,289.58, 6,422.23 and 2,725.70

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Solution

The fourth proportional to 4,289.58, 6,422.23 and 2,725.70 is: 4,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.58 : 6,422.23 = 2,725.70 : x
  2. Step 2: Convert to fraction form
    4,289.58/6,422.23 = 2,725.70/x
  3. Step 3: Cross multiply
    4,289.58x = 6,422.23 × 2,725.70
  4. Step 4: Simplify right side
    4,289.58x = 17,505,091.77
  5. Step 5: Solve for x
    x = 17,505,091.77/4,289.58
  6. Step 6: Final answer
    x = 4,080.84

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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.