Home / 4,277.86-6,407.45-2,629.41

Finding the Fourth Proportional to 4,277.86, 6,407.45 and 2,629.41

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Solution

The fourth proportional to 4,277.86, 6,407.45 and 2,629.41 is: 3,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.86 : 6,407.45 = 2,629.41 : x
  2. Step 2: Convert to fraction form
    4,277.86/6,407.45 = 2,629.41/x
  3. Step 3: Cross multiply
    4,277.86x = 6,407.45 × 2,629.41
  4. Step 4: Simplify right side
    4,277.86x = 16,847,836.62
  5. Step 5: Solve for x
    x = 16,847,836.62/4,277.86
  6. Step 6: Final answer
    x = 3,938.38

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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.