Home / 8,253.40-12,380.67-3,323.05

Finding the Fourth Proportional to 8,253.40, 12,380.67 and 3,323.05

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Solution

The fourth proportional to 8,253.40, 12,380.67 and 3,323.05 is: 4,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.40 : 12,380.67 = 3,323.05 : x
  2. Step 2: Convert to fraction form
    8,253.40/12,380.67 = 3,323.05/x
  3. Step 3: Cross multiply
    8,253.40x = 12,380.67 × 3,323.05
  4. Step 4: Simplify right side
    8,253.40x = 41,141,585.44
  5. Step 5: Solve for x
    x = 41,141,585.44/8,253.40
  6. Step 6: Final answer
    x = 4,984.80

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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.