Home / 4,514.40-6,212.16-3,991.68

Finding the Fourth Proportional to 4,514.40, 6,212.16 and 3,991.68

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Solution

The fourth proportional to 4,514.40, 6,212.16 and 3,991.68 is: 5,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,514.40 : 6,212.16 = 3,991.68 : x
  2. Step 2: Convert to fraction form
    4,514.40/6,212.16 = 3,991.68/x
  3. Step 3: Cross multiply
    4,514.40x = 6,212.16 × 3,991.68
  4. Step 4: Simplify right side
    4,514.40x = 24,796,954.83
  5. Step 5: Solve for x
    x = 24,796,954.83/4,514.40
  6. Step 6: Final answer
    x = 5,492.86

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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.