Home / 5,605.85-8,408.77-3,108.56

Finding the Fourth Proportional to 5,605.85, 8,408.77 and 3,108.56

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Solution

The fourth proportional to 5,605.85, 8,408.77 and 3,108.56 is: 4,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.85 : 8,408.77 = 3,108.56 : x
  2. Step 2: Convert to fraction form
    5,605.85/8,408.77 = 3,108.56/x
  3. Step 3: Cross multiply
    5,605.85x = 8,408.77 × 3,108.56
  4. Step 4: Simplify right side
    5,605.85x = 26,139,150.53
  5. Step 5: Solve for x
    x = 26,139,150.53/5,605.85
  6. Step 6: Final answer
    x = 4,662.84

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1.5x scale

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.