Home / 4,277.20-6,415.34-1,503.96

Finding the Fourth Proportional to 4,277.20, 6,415.34 and 1,503.96

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Solution

The fourth proportional to 4,277.20, 6,415.34 and 1,503.96 is: 2,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.20 : 6,415.34 = 1,503.96 : x
  2. Step 2: Convert to fraction form
    4,277.20/6,415.34 = 1,503.96/x
  3. Step 3: Cross multiply
    4,277.20x = 6,415.34 × 1,503.96
  4. Step 4: Simplify right side
    4,277.20x = 9,648,414.75
  5. Step 5: Solve for x
    x = 9,648,414.75/4,277.20
  6. Step 6: Final answer
    x = 2,255.78

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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.