Home / 4,914.93-6,782.81-2,819.46

Finding the Fourth Proportional to 4,914.93, 6,782.81 and 2,819.46

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Solution

The fourth proportional to 4,914.93, 6,782.81 and 2,819.46 is: 3,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.93 : 6,782.81 = 2,819.46 : x
  2. Step 2: Convert to fraction form
    4,914.93/6,782.81 = 2,819.46/x
  3. Step 3: Cross multiply
    4,914.93x = 6,782.81 × 2,819.46
  4. Step 4: Simplify right side
    4,914.93x = 19,123,861.48
  5. Step 5: Solve for x
    x = 19,123,861.48/4,914.93
  6. Step 6: Final answer
    x = 3,890.97

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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.