Home / 5,605.20-8,408.82-1,907.25

Finding the Fourth Proportional to 5,605.20, 8,408.82 and 1,907.25

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Solution

The fourth proportional to 5,605.20, 8,408.82 and 1,907.25 is: 2,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.20 : 8,408.82 = 1,907.25 : x
  2. Step 2: Convert to fraction form
    5,605.20/8,408.82 = 1,907.25/x
  3. Step 3: Cross multiply
    5,605.20x = 8,408.82 × 1,907.25
  4. Step 4: Simplify right side
    5,605.20x = 16,037,721.95
  5. Step 5: Solve for x
    x = 16,037,721.95/5,605.20
  6. Step 6: Final answer
    x = 2,861.22

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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.