Home / 4,639.88-6,408.66-3,378.94

Finding the Fourth Proportional to 4,639.88, 6,408.66 and 3,378.94

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Solution

The fourth proportional to 4,639.88, 6,408.66 and 3,378.94 is: 4,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.88 : 6,408.66 = 3,378.94 : x
  2. Step 2: Convert to fraction form
    4,639.88/6,408.66 = 3,378.94/x
  3. Step 3: Cross multiply
    4,639.88x = 6,408.66 × 3,378.94
  4. Step 4: Simplify right side
    4,639.88x = 21,654,477.62
  5. Step 5: Solve for x
    x = 21,654,477.62/4,639.88
  6. Step 6: Final answer
    x = 4,667.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.