Home / 4,078.21-6,105.15-4,008.55

Finding the Fourth Proportional to 4,078.21, 6,105.15 and 4,008.55

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Solution

The fourth proportional to 4,078.21, 6,105.15 and 4,008.55 is: 6,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.21 : 6,105.15 = 4,008.55 : x
  2. Step 2: Convert to fraction form
    4,078.21/6,105.15 = 4,008.55/x
  3. Step 3: Cross multiply
    4,078.21x = 6,105.15 × 4,008.55
  4. Step 4: Simplify right side
    4,078.21x = 24,472,799.03
  5. Step 5: Solve for x
    x = 24,472,799.03/4,078.21
  6. Step 6: Final answer
    x = 6,000.87

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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.