Home / 8,221.44-12,333.50-4,525.40

Finding the Fourth Proportional to 8,221.44, 12,333.50 and 4,525.40

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Solution

The fourth proportional to 8,221.44, 12,333.50 and 4,525.40 is: 6,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.44 : 12,333.50 = 4,525.40 : x
  2. Step 2: Convert to fraction form
    8,221.44/12,333.50 = 4,525.40/x
  3. Step 3: Cross multiply
    8,221.44x = 12,333.50 × 4,525.40
  4. Step 4: Simplify right side
    8,221.44x = 55,814,020.90
  5. Step 5: Solve for x
    x = 55,814,020.90/8,221.44
  6. Step 6: Final answer
    x = 6,788.84

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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.