Home / 4,976.87-6,868.75-3,213.61

Finding the Fourth Proportional to 4,976.87, 6,868.75 and 3,213.61

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Solution

The fourth proportional to 4,976.87, 6,868.75 and 3,213.61 is: 4,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.87 : 6,868.75 = 3,213.61 : x
  2. Step 2: Convert to fraction form
    4,976.87/6,868.75 = 3,213.61/x
  3. Step 3: Cross multiply
    4,976.87x = 6,868.75 × 3,213.61
  4. Step 4: Simplify right side
    4,976.87x = 22,073,483.69
  5. Step 5: Solve for x
    x = 22,073,483.69/4,976.87
  6. Step 6: Final answer
    x = 4,435.21

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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.