Home / 4,668.36-6,443.40-3,179.88

Finding the Fourth Proportional to 4,668.36, 6,443.40 and 3,179.88

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Solution

The fourth proportional to 4,668.36, 6,443.40 and 3,179.88 is: 4,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.36 : 6,443.40 = 3,179.88 : x
  2. Step 2: Convert to fraction form
    4,668.36/6,443.40 = 3,179.88/x
  3. Step 3: Cross multiply
    4,668.36x = 6,443.40 × 3,179.88
  4. Step 4: Simplify right side
    4,668.36x = 20,489,238.79
  5. Step 5: Solve for x
    x = 20,489,238.79/4,668.36
  6. Step 6: Final answer
    x = 4,388.96

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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.