Home / 4,288.63-6,427.82-2,209.63

Finding the Fourth Proportional to 4,288.63, 6,427.82 and 2,209.63

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Solution

The fourth proportional to 4,288.63, 6,427.82 and 2,209.63 is: 3,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.63 : 6,427.82 = 2,209.63 : x
  2. Step 2: Convert to fraction form
    4,288.63/6,427.82 = 2,209.63/x
  3. Step 3: Cross multiply
    4,288.63x = 6,427.82 × 2,209.63
  4. Step 4: Simplify right side
    4,288.63x = 14,203,092.86
  5. Step 5: Solve for x
    x = 14,203,092.86/4,288.63
  6. Step 6: Final answer
    x = 3,311.80

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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.