Home / 8,204.37-12,306.69-4,920.09

Finding the Fourth Proportional to 8,204.37, 12,306.69 and 4,920.09

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Solution

The fourth proportional to 8,204.37, 12,306.69 and 4,920.09 is: 7,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.37 : 12,306.69 = 4,920.09 : x
  2. Step 2: Convert to fraction form
    8,204.37/12,306.69 = 4,920.09/x
  3. Step 3: Cross multiply
    8,204.37x = 12,306.69 × 4,920.09
  4. Step 4: Simplify right side
    8,204.37x = 60,550,022.40
  5. Step 5: Solve for x
    x = 60,550,022.40/8,204.37
  6. Step 6: Final answer
    x = 7,380.22

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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.