Home / 8,524.18-12,786.28-3,907.18

Finding the Fourth Proportional to 8,524.18, 12,786.28 and 3,907.18

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Solution

The fourth proportional to 8,524.18, 12,786.28 and 3,907.18 is: 5,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.18 : 12,786.28 = 3,907.18 : x
  2. Step 2: Convert to fraction form
    8,524.18/12,786.28 = 3,907.18/x
  3. Step 3: Cross multiply
    8,524.18x = 12,786.28 × 3,907.18
  4. Step 4: Simplify right side
    8,524.18x = 49,958,297.49
  5. Step 5: Solve for x
    x = 49,958,297.49/8,524.18
  6. Step 6: Final answer
    x = 5,860.77

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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.