Home / 8,205.16-12,305.34-2,360.20

Finding the Fourth Proportional to 8,205.16, 12,305.34 and 2,360.20

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Solution

The fourth proportional to 8,205.16, 12,305.34 and 2,360.20 is: 3,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.16 : 12,305.34 = 2,360.20 : x
  2. Step 2: Convert to fraction form
    8,205.16/12,305.34 = 2,360.20/x
  3. Step 3: Cross multiply
    8,205.16x = 12,305.34 × 2,360.20
  4. Step 4: Simplify right side
    8,205.16x = 29,043,063.47
  5. Step 5: Solve for x
    x = 29,043,063.47/8,205.16
  6. Step 6: Final answer
    x = 3,539.61

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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.