Home / 8,380.12-12,568.83-2,833.35

Finding the Fourth Proportional to 8,380.12, 12,568.83 and 2,833.35

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Solution

The fourth proportional to 8,380.12, 12,568.83 and 2,833.35 is: 4,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.12 : 12,568.83 = 2,833.35 : x
  2. Step 2: Convert to fraction form
    8,380.12/12,568.83 = 2,833.35/x
  3. Step 3: Cross multiply
    8,380.12x = 12,568.83 × 2,833.35
  4. Step 4: Simplify right side
    8,380.12x = 35,611,894.48
  5. Step 5: Solve for x
    x = 35,611,894.48/8,380.12
  6. Step 6: Final answer
    x = 4,249.57

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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.