Home / 4,916.94-6,785.45-2,678.84

Finding the Fourth Proportional to 4,916.94, 6,785.45 and 2,678.84

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Solution

The fourth proportional to 4,916.94, 6,785.45 and 2,678.84 is: 3,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.94 : 6,785.45 = 2,678.84 : x
  2. Step 2: Convert to fraction form
    4,916.94/6,785.45 = 2,678.84/x
  3. Step 3: Cross multiply
    4,916.94x = 6,785.45 × 2,678.84
  4. Step 4: Simplify right side
    4,916.94x = 18,177,087.56
  5. Step 5: Solve for x
    x = 18,177,087.56/4,916.94
  6. Step 6: Final answer
    x = 3,696.83

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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.