Home / 8,262.12-12,398.58-3,330.84

Finding the Fourth Proportional to 8,262.12, 12,398.58 and 3,330.84

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Solution

The fourth proportional to 8,262.12, 12,398.58 and 3,330.84 is: 4,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.12 : 12,398.58 = 3,330.84 : x
  2. Step 2: Convert to fraction form
    8,262.12/12,398.58 = 3,330.84/x
  3. Step 3: Cross multiply
    8,262.12x = 12,398.58 × 3,330.84
  4. Step 4: Simplify right side
    8,262.12x = 41,297,686.21
  5. Step 5: Solve for x
    x = 41,297,686.21/8,262.12
  6. Step 6: Final answer
    x = 4,998.44

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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.