Home / 5,408.34-8,108.73-2,485.05

Finding the Fourth Proportional to 5,408.34, 8,108.73 and 2,485.05

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Solution

The fourth proportional to 5,408.34, 8,108.73 and 2,485.05 is: 3,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.34 : 8,108.73 = 2,485.05 : x
  2. Step 2: Convert to fraction form
    5,408.34/8,108.73 = 2,485.05/x
  3. Step 3: Cross multiply
    5,408.34x = 8,108.73 × 2,485.05
  4. Step 4: Simplify right side
    5,408.34x = 20,150,599.49
  5. Step 5: Solve for x
    x = 20,150,599.49/5,408.34
  6. Step 6: Final answer
    x = 3,725.84

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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.