Home / 4,194.41-6,291.54-1,421.06

Finding the Fourth Proportional to 4,194.41, 6,291.54 and 1,421.06

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Solution

The fourth proportional to 4,194.41, 6,291.54 and 1,421.06 is: 2,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.41 : 6,291.54 = 1,421.06 : x
  2. Step 2: Convert to fraction form
    4,194.41/6,291.54 = 1,421.06/x
  3. Step 3: Cross multiply
    4,194.41x = 6,291.54 × 1,421.06
  4. Step 4: Simplify right side
    4,194.41x = 8,940,624.37
  5. Step 5: Solve for x
    x = 8,940,624.37/4,194.41
  6. Step 6: Final answer
    x = 2,131.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.