Home / 4,129.55-6,197.36-2,742.42

Finding the Fourth Proportional to 4,129.55, 6,197.36 and 2,742.42

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Solution

The fourth proportional to 4,129.55, 6,197.36 and 2,742.42 is: 4,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.55 : 6,197.36 = 2,742.42 : x
  2. Step 2: Convert to fraction form
    4,129.55/6,197.36 = 2,742.42/x
  3. Step 3: Cross multiply
    4,129.55x = 6,197.36 × 2,742.42
  4. Step 4: Simplify right side
    4,129.55x = 16,995,794.11
  5. Step 5: Solve for x
    x = 16,995,794.11/4,129.55
  6. Step 6: Final answer
    x = 4,115.65

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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.