Home / 8,204.90-12,306.75-3,206.33

Finding the Fourth Proportional to 8,204.90, 12,306.75 and 3,206.33

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Solution

The fourth proportional to 8,204.90, 12,306.75 and 3,206.33 is: 4,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.90 : 12,306.75 = 3,206.33 : x
  2. Step 2: Convert to fraction form
    8,204.90/12,306.75 = 3,206.33/x
  3. Step 3: Cross multiply
    8,204.90x = 12,306.75 × 3,206.33
  4. Step 4: Simplify right side
    8,204.90x = 39,459,540.51
  5. Step 5: Solve for x
    x = 39,459,540.51/8,204.90
  6. Step 6: Final answer
    x = 4,809.27

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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.