Home / 5,605.19-8,408.57-1,906.41

Finding the Fourth Proportional to 5,605.19, 8,408.57 and 1,906.41

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Solution

The fourth proportional to 5,605.19, 8,408.57 and 1,906.41 is: 2,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.19 : 8,408.57 = 1,906.41 : x
  2. Step 2: Convert to fraction form
    5,605.19/8,408.57 = 1,906.41/x
  3. Step 3: Cross multiply
    5,605.19x = 8,408.57 × 1,906.41
  4. Step 4: Simplify right side
    5,605.19x = 16,030,172.40
  5. Step 5: Solve for x
    x = 16,030,172.40/5,605.19
  6. Step 6: Final answer
    x = 2,859.88

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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.