Home / 4,165.45-6,217.79-3,639.98

Finding the Fourth Proportional to 4,165.45, 6,217.79 and 3,639.98

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Solution

The fourth proportional to 4,165.45, 6,217.79 and 3,639.98 is: 5,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.45 : 6,217.79 = 3,639.98 : x
  2. Step 2: Convert to fraction form
    4,165.45/6,217.79 = 3,639.98/x
  3. Step 3: Cross multiply
    4,165.45x = 6,217.79 × 3,639.98
  4. Step 4: Simplify right side
    4,165.45x = 22,632,628.59
  5. Step 5: Solve for x
    x = 22,632,628.59/4,165.45
  6. Step 6: Final answer
    x = 5,433.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.