Home / 8,380.37-12,569.21-2,833.61

Finding the Fourth Proportional to 8,380.37, 12,569.21 and 2,833.61

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Solution

The fourth proportional to 8,380.37, 12,569.21 and 2,833.61 is: 4,249.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.37 : 12,569.21 = 2,833.61 : x
  2. Step 2: Convert to fraction form
    8,380.37/12,569.21 = 2,833.61/x
  3. Step 3: Cross multiply
    8,380.37x = 12,569.21 × 2,833.61
  4. Step 4: Simplify right side
    8,380.37x = 35,616,162.13
  5. Step 5: Solve for x
    x = 35,616,162.13/8,380.37
  6. Step 6: Final answer
    x = 4,249.95

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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.