Home / 11,079.75-16,619.63-2,871.75

Finding the Fourth Proportional to 11,079.75, 16,619.63 and 2,871.75

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Solution

The fourth proportional to 11,079.75, 16,619.63 and 2,871.75 is: 4,307.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.75 : 16,619.63 = 2,871.75 : x
  2. Step 2: Convert to fraction form
    11,079.75/16,619.63 = 2,871.75/x
  3. Step 3: Cross multiply
    11,079.75x = 16,619.63 × 2,871.75
  4. Step 4: Simplify right side
    11,079.75x = 47,727,408.09
  5. Step 5: Solve for x
    x = 47,727,408.09/11,079.75
  6. Step 6: Final answer
    x = 4,307.63

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Similar ratio
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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.