Home / 5,408.88-8,114.13-2,287.32

Finding the Fourth Proportional to 5,408.88, 8,114.13 and 2,287.32

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Solution

The fourth proportional to 5,408.88, 8,114.13 and 2,287.32 is: 3,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.88 : 8,114.13 = 2,287.32 : x
  2. Step 2: Convert to fraction form
    5,408.88/8,114.13 = 2,287.32/x
  3. Step 3: Cross multiply
    5,408.88x = 8,114.13 × 2,287.32
  4. Step 4: Simplify right side
    5,408.88x = 18,559,611.83
  5. Step 5: Solve for x
    x = 18,559,611.83/5,408.88
  6. Step 6: Final answer
    x = 3,431.32

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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.