Home / 4,289.49-6,434.21-2,817.99

Finding the Fourth Proportional to 4,289.49, 6,434.21 and 2,817.99

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Solution

The fourth proportional to 4,289.49, 6,434.21 and 2,817.99 is: 4,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.49 : 6,434.21 = 2,817.99 : x
  2. Step 2: Convert to fraction form
    4,289.49/6,434.21 = 2,817.99/x
  3. Step 3: Cross multiply
    4,289.49x = 6,434.21 × 2,817.99
  4. Step 4: Simplify right side
    4,289.49x = 18,131,546.48
  5. Step 5: Solve for x
    x = 18,131,546.48/4,289.49
  6. Step 6: Final answer
    x = 4,226.97

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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.