Home / 4,021.10-6,031.11-1,425.86

Finding the Fourth Proportional to 4,021.10, 6,031.11 and 1,425.86

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Solution

The fourth proportional to 4,021.10, 6,031.11 and 1,425.86 is: 2,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.10 : 6,031.11 = 1,425.86 : x
  2. Step 2: Convert to fraction form
    4,021.10/6,031.11 = 1,425.86/x
  3. Step 3: Cross multiply
    4,021.10x = 6,031.11 × 1,425.86
  4. Step 4: Simplify right side
    4,021.10x = 8,599,518.50
  5. Step 5: Solve for x
    x = 8,599,518.50/4,021.10
  6. Step 6: Final answer
    x = 2,138.60

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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.