Home / 5,408.33-8,111.57-1,511.82

Finding the Fourth Proportional to 5,408.33, 8,111.57 and 1,511.82

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Solution

The fourth proportional to 5,408.33, 8,111.57 and 1,511.82 is: 2,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.33 : 8,111.57 = 1,511.82 : x
  2. Step 2: Convert to fraction form
    5,408.33/8,111.57 = 1,511.82/x
  3. Step 3: Cross multiply
    5,408.33x = 8,111.57 × 1,511.82
  4. Step 4: Simplify right side
    5,408.33x = 12,263,226.20
  5. Step 5: Solve for x
    x = 12,263,226.20/5,408.33
  6. Step 6: Final answer
    x = 2,267.47

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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.