Home / 8,223.96-12,335.58-2,380.44

Finding the Fourth Proportional to 8,223.96, 12,335.58 and 2,380.44

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Solution

The fourth proportional to 8,223.96, 12,335.58 and 2,380.44 is: 3,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.96 : 12,335.58 = 2,380.44 : x
  2. Step 2: Convert to fraction form
    8,223.96/12,335.58 = 2,380.44/x
  3. Step 3: Cross multiply
    8,223.96x = 12,335.58 × 2,380.44
  4. Step 4: Simplify right side
    8,223.96x = 29,364,108.06
  5. Step 5: Solve for x
    x = 29,364,108.06/8,223.96
  6. Step 6: Final answer
    x = 3,570.56

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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.