Home / 4,138.44-6,207.72-1,540.84

Finding the Fourth Proportional to 4,138.44, 6,207.72 and 1,540.84

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Solution

The fourth proportional to 4,138.44, 6,207.72 and 1,540.84 is: 2,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.44 : 6,207.72 = 1,540.84 : x
  2. Step 2: Convert to fraction form
    4,138.44/6,207.72 = 1,540.84/x
  3. Step 3: Cross multiply
    4,138.44x = 6,207.72 × 1,540.84
  4. Step 4: Simplify right side
    4,138.44x = 9,565,103.28
  5. Step 5: Solve for x
    x = 9,565,103.28/4,138.44
  6. Step 6: Final answer
    x = 2,311.28

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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.