Home / 4,193.28-6,289.44-1,272

Finding the Fourth Proportional to 4,193.28, 6,289.44 and 1,272

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Solution

The fourth proportional to 4,193.28, 6,289.44 and 1,272 is: 1,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.28 : 6,289.44 = 1,272 : x
  2. Step 2: Convert to fraction form
    4,193.28/6,289.44 = 1,272/x
  3. Step 3: Cross multiply
    4,193.28x = 6,289.44 × 1,272
  4. Step 4: Simplify right side
    4,193.28x = 8,000,167.68
  5. Step 5: Solve for x
    x = 8,000,167.68/4,193.28
  6. Step 6: Final answer
    x = 1,907.85

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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.