Home / 8,438.22-12,658.77-3,173.04

Finding the Fourth Proportional to 8,438.22, 12,658.77 and 3,173.04

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Solution

The fourth proportional to 8,438.22, 12,658.77 and 3,173.04 is: 4,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.22 : 12,658.77 = 3,173.04 : x
  2. Step 2: Convert to fraction form
    8,438.22/12,658.77 = 3,173.04/x
  3. Step 3: Cross multiply
    8,438.22x = 12,658.77 × 3,173.04
  4. Step 4: Simplify right side
    8,438.22x = 40,166,783.56
  5. Step 5: Solve for x
    x = 40,166,783.56/8,438.22
  6. Step 6: Final answer
    x = 4,760.10

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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.