Home / 8,408.37-12,612.91-2,485.27

Finding the Fourth Proportional to 8,408.37, 12,612.91 and 2,485.27

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Solution

The fourth proportional to 8,408.37, 12,612.91 and 2,485.27 is: 3,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.37 : 12,612.91 = 2,485.27 : x
  2. Step 2: Convert to fraction form
    8,408.37/12,612.91 = 2,485.27/x
  3. Step 3: Cross multiply
    8,408.37x = 12,612.91 × 2,485.27
  4. Step 4: Simplify right side
    8,408.37x = 31,346,486.84
  5. Step 5: Solve for x
    x = 31,346,486.84/8,408.37
  6. Step 6: Final answer
    x = 3,728.01

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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.