Home / 4,694.28-6,477.92-2,806.91

Finding the Fourth Proportional to 4,694.28, 6,477.92 and 2,806.91

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Solution

The fourth proportional to 4,694.28, 6,477.92 and 2,806.91 is: 3,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.28 : 6,477.92 = 2,806.91 : x
  2. Step 2: Convert to fraction form
    4,694.28/6,477.92 = 2,806.91/x
  3. Step 3: Cross multiply
    4,694.28x = 6,477.92 × 2,806.91
  4. Step 4: Simplify right side
    4,694.28x = 18,182,940.59
  5. Step 5: Solve for x
    x = 18,182,940.59/4,694.28
  6. Step 6: Final answer
    x = 3,873.42

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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.