Home / 4,142.78-6,212.21-1,508.42

Finding the Fourth Proportional to 4,142.78, 6,212.21 and 1,508.42

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Solution

The fourth proportional to 4,142.78, 6,212.21 and 1,508.42 is: 2,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.78 : 6,212.21 = 1,508.42 : x
  2. Step 2: Convert to fraction form
    4,142.78/6,212.21 = 1,508.42/x
  3. Step 3: Cross multiply
    4,142.78x = 6,212.21 × 1,508.42
  4. Step 4: Simplify right side
    4,142.78x = 9,370,614.27
  5. Step 5: Solve for x
    x = 9,370,614.27/4,142.78
  6. Step 6: Final answer
    x = 2,261.91

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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.