Home / 4,633.69-6,394.39-2,840.55

Finding the Fourth Proportional to 4,633.69, 6,394.39 and 2,840.55

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Solution

The fourth proportional to 4,633.69, 6,394.39 and 2,840.55 is: 3,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,633.69 : 6,394.39 = 2,840.55 : x
  2. Step 2: Convert to fraction form
    4,633.69/6,394.39 = 2,840.55/x
  3. Step 3: Cross multiply
    4,633.69x = 6,394.39 × 2,840.55
  4. Step 4: Simplify right side
    4,633.69x = 18,163,584.51
  5. Step 5: Solve for x
    x = 18,163,584.51/4,633.69
  6. Step 6: Final answer
    x = 3,919.90

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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.