Home / 4,200.14-6,295.80-1,425.86

Finding the Fourth Proportional to 4,200.14, 6,295.80 and 1,425.86

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Solution

The fourth proportional to 4,200.14, 6,295.80 and 1,425.86 is: 2,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.14 : 6,295.80 = 1,425.86 : x
  2. Step 2: Convert to fraction form
    4,200.14/6,295.80 = 1,425.86/x
  3. Step 3: Cross multiply
    4,200.14x = 6,295.80 × 1,425.86
  4. Step 4: Simplify right side
    4,200.14x = 8,976,929.39
  5. Step 5: Solve for x
    x = 8,976,929.39/4,200.14
  6. Step 6: Final answer
    x = 2,137.29

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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.