Home / 8,208.58-12,308.28-2,660.62

Finding the Fourth Proportional to 8,208.58, 12,308.28 and 2,660.62

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Solution

The fourth proportional to 8,208.58, 12,308.28 and 2,660.62 is: 3,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.58 : 12,308.28 = 2,660.62 : x
  2. Step 2: Convert to fraction form
    8,208.58/12,308.28 = 2,660.62/x
  3. Step 3: Cross multiply
    8,208.58x = 12,308.28 × 2,660.62
  4. Step 4: Simplify right side
    8,208.58x = 32,747,655.93
  5. Step 5: Solve for x
    x = 32,747,655.93/8,208.58
  6. Step 6: Final answer
    x = 3,989.44

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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.