Home / 5,611.14-8,408.16-2,830.05

Finding the Fourth Proportional to 5,611.14, 8,408.16 and 2,830.05

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Solution

The fourth proportional to 5,611.14, 8,408.16 and 2,830.05 is: 4,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.14 : 8,408.16 = 2,830.05 : x
  2. Step 2: Convert to fraction form
    5,611.14/8,408.16 = 2,830.05/x
  3. Step 3: Cross multiply
    5,611.14x = 8,408.16 × 2,830.05
  4. Step 4: Simplify right side
    5,611.14x = 23,795,513.21
  5. Step 5: Solve for x
    x = 23,795,513.21/5,611.14
  6. Step 6: Final answer
    x = 4,240.76

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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.