Home / 8,439.50-12,659.34-3,249.02

Finding the Fourth Proportional to 8,439.50, 12,659.34 and 3,249.02

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Solution

The fourth proportional to 8,439.50, 12,659.34 and 3,249.02 is: 4,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.50 : 12,659.34 = 3,249.02 : x
  2. Step 2: Convert to fraction form
    8,439.50/12,659.34 = 3,249.02/x
  3. Step 3: Cross multiply
    8,439.50x = 12,659.34 × 3,249.02
  4. Step 4: Simplify right side
    8,439.50x = 41,130,448.85
  5. Step 5: Solve for x
    x = 41,130,448.85/8,439.50
  6. Step 6: Final answer
    x = 4,873.56

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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.