Home / 8,855.96-12,221.21-4,822.73

Finding the Fourth Proportional to 8,855.96, 12,221.21 and 4,822.73

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Solution

The fourth proportional to 8,855.96, 12,221.21 and 4,822.73 is: 6,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.96 : 12,221.21 = 4,822.73 : x
  2. Step 2: Convert to fraction form
    8,855.96/12,221.21 = 4,822.73/x
  3. Step 3: Cross multiply
    8,855.96x = 12,221.21 × 4,822.73
  4. Step 4: Simplify right side
    8,855.96x = 58,939,596.10
  5. Step 5: Solve for x
    x = 58,939,596.10/8,855.96
  6. Step 6: Final answer
    x = 6,655.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.