Home / 4,812.94-6,640.14-2,823.04

Finding the Fourth Proportional to 4,812.94, 6,640.14 and 2,823.04

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Solution

The fourth proportional to 4,812.94, 6,640.14 and 2,823.04 is: 3,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.94 : 6,640.14 = 2,823.04 : x
  2. Step 2: Convert to fraction form
    4,812.94/6,640.14 = 2,823.04/x
  3. Step 3: Cross multiply
    4,812.94x = 6,640.14 × 2,823.04
  4. Step 4: Simplify right side
    4,812.94x = 18,745,380.83
  5. Step 5: Solve for x
    x = 18,745,380.83/4,812.94
  6. Step 6: Final answer
    x = 3,894.79

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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.