Home / 8,226.21-12,339.11-3,848.57

Finding the Fourth Proportional to 8,226.21, 12,339.11 and 3,848.57

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Solution

The fourth proportional to 8,226.21, 12,339.11 and 3,848.57 is: 5,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.21 : 12,339.11 = 3,848.57 : x
  2. Step 2: Convert to fraction form
    8,226.21/12,339.11 = 3,848.57/x
  3. Step 3: Cross multiply
    8,226.21x = 12,339.11 × 3,848.57
  4. Step 4: Simplify right side
    8,226.21x = 47,487,928.57
  5. Step 5: Solve for x
    x = 47,487,928.57/8,226.21
  6. Step 6: Final answer
    x = 5,772.76

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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.