Home / 4,965.25-6,855.26-3,078.84

Finding the Fourth Proportional to 4,965.25, 6,855.26 and 3,078.84

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Solution

The fourth proportional to 4,965.25, 6,855.26 and 3,078.84 is: 4,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.25 : 6,855.26 = 3,078.84 : x
  2. Step 2: Convert to fraction form
    4,965.25/6,855.26 = 3,078.84/x
  3. Step 3: Cross multiply
    4,965.25x = 6,855.26 × 3,078.84
  4. Step 4: Simplify right side
    4,965.25x = 21,106,248.70
  5. Step 5: Solve for x
    x = 21,106,248.70/4,965.25
  6. Step 6: Final answer
    x = 4,250.79

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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.