Home / 11,079.42-16,619-2,759.52

Finding the Fourth Proportional to 11,079.42, 16,619 and 2,759.52

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Solution

The fourth proportional to 11,079.42, 16,619 and 2,759.52 is: 4,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.42 : 16,619 = 2,759.52 : x
  2. Step 2: Convert to fraction form
    11,079.42/16,619 = 2,759.52/x
  3. Step 3: Cross multiply
    11,079.42x = 16,619 × 2,759.52
  4. Step 4: Simplify right side
    11,079.42x = 45,860,462.88
  5. Step 5: Solve for x
    x = 45,860,462.88/11,079.42
  6. Step 6: Final answer
    x = 4,139.25

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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.