Home / 4,289.86-6,433.41-2,209.59

Finding the Fourth Proportional to 4,289.86, 6,433.41 and 2,209.59

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Solution

The fourth proportional to 4,289.86, 6,433.41 and 2,209.59 is: 3,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.86 : 6,433.41 = 2,209.59 : x
  2. Step 2: Convert to fraction form
    4,289.86/6,433.41 = 2,209.59/x
  3. Step 3: Cross multiply
    4,289.86x = 6,433.41 × 2,209.59
  4. Step 4: Simplify right side
    4,289.86x = 14,215,198.40
  5. Step 5: Solve for x
    x = 14,215,198.40/4,289.86
  6. Step 6: Final answer
    x = 3,313.68

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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.