Home / 4,182.03-6,272.51-1,408.66

Finding the Fourth Proportional to 4,182.03, 6,272.51 and 1,408.66

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Solution

The fourth proportional to 4,182.03, 6,272.51 and 1,408.66 is: 2,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.03 : 6,272.51 = 1,408.66 : x
  2. Step 2: Convert to fraction form
    4,182.03/6,272.51 = 1,408.66/x
  3. Step 3: Cross multiply
    4,182.03x = 6,272.51 × 1,408.66
  4. Step 4: Simplify right side
    4,182.03x = 8,835,811.21
  5. Step 5: Solve for x
    x = 8,835,811.21/4,182.03
  6. Step 6: Final answer
    x = 2,112.80

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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.