Home / 4,942.40-6,819.72-2,846.48

Finding the Fourth Proportional to 4,942.40, 6,819.72 and 2,846.48

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Solution

The fourth proportional to 4,942.40, 6,819.72 and 2,846.48 is: 3,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.40 : 6,819.72 = 2,846.48 : x
  2. Step 2: Convert to fraction form
    4,942.40/6,819.72 = 2,846.48/x
  3. Step 3: Cross multiply
    4,942.40x = 6,819.72 × 2,846.48
  4. Step 4: Simplify right side
    4,942.40x = 19,412,196.59
  5. Step 5: Solve for x
    x = 19,412,196.59/4,942.40
  6. Step 6: Final answer
    x = 3,927.69

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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.