Home / 8,226.18-12,339.45-3,842.46

Finding the Fourth Proportional to 8,226.18, 12,339.45 and 3,842.46

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Solution

The fourth proportional to 8,226.18, 12,339.45 and 3,842.46 is: 5,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.18 : 12,339.45 = 3,842.46 : x
  2. Step 2: Convert to fraction form
    8,226.18/12,339.45 = 3,842.46/x
  3. Step 3: Cross multiply
    8,226.18x = 12,339.45 × 3,842.46
  4. Step 4: Simplify right side
    8,226.18x = 47,413,843.05
  5. Step 5: Solve for x
    x = 47,413,843.05/8,226.18
  6. Step 6: Final answer
    x = 5,763.77

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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.