Home / 5,512.85-8,269.26-1,408.85

Finding the Fourth Proportional to 5,512.85, 8,269.26 and 1,408.85

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Solution

The fourth proportional to 5,512.85, 8,269.26 and 1,408.85 is: 2,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.85 : 8,269.26 = 1,408.85 : x
  2. Step 2: Convert to fraction form
    5,512.85/8,269.26 = 1,408.85/x
  3. Step 3: Cross multiply
    5,512.85x = 8,269.26 × 1,408.85
  4. Step 4: Simplify right side
    5,512.85x = 11,650,146.95
  5. Step 5: Solve for x
    x = 11,650,146.95/5,512.85
  6. Step 6: Final answer
    x = 2,113.27

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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.