Home / 4,694.15-6,477.75-2,806.78

Finding the Fourth Proportional to 4,694.15, 6,477.75 and 2,806.78

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Solution

The fourth proportional to 4,694.15, 6,477.75 and 2,806.78 is: 3,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.15 : 6,477.75 = 2,806.78 : x
  2. Step 2: Convert to fraction form
    4,694.15/6,477.75 = 2,806.78/x
  3. Step 3: Cross multiply
    4,694.15x = 6,477.75 × 2,806.78
  4. Step 4: Simplify right side
    4,694.15x = 18,181,619.15
  5. Step 5: Solve for x
    x = 18,181,619.15/4,694.15
  6. Step 6: Final answer
    x = 3,873.25

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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.