Home / 4,976.94-6,865.32-3,110.70

Finding the Fourth Proportional to 4,976.94, 6,865.32 and 3,110.70

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Solution

The fourth proportional to 4,976.94, 6,865.32 and 3,110.70 is: 4,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.94 : 6,865.32 = 3,110.70 : x
  2. Step 2: Convert to fraction form
    4,976.94/6,865.32 = 3,110.70/x
  3. Step 3: Cross multiply
    4,976.94x = 6,865.32 × 3,110.70
  4. Step 4: Simplify right side
    4,976.94x = 21,355,950.92
  5. Step 5: Solve for x
    x = 21,355,950.92/4,976.94
  6. Step 6: Final answer
    x = 4,290.98

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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.