Home / 4,639.39-6,917.70-4,124.23

Finding the Fourth Proportional to 4,639.39, 6,917.70 and 4,124.23

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Solution

The fourth proportional to 4,639.39, 6,917.70 and 4,124.23 is: 6,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.39 : 6,917.70 = 4,124.23 : x
  2. Step 2: Convert to fraction form
    4,639.39/6,917.70 = 4,124.23/x
  3. Step 3: Cross multiply
    4,639.39x = 6,917.70 × 4,124.23
  4. Step 4: Simplify right side
    4,639.39x = 28,530,185.87
  5. Step 5: Solve for x
    x = 28,530,185.87/4,639.39
  6. Step 6: Final answer
    x = 6,149.56

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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.