Home / 4,257.30-6,385.97-1,295.78

Finding the Fourth Proportional to 4,257.30, 6,385.97 and 1,295.78

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Solution

The fourth proportional to 4,257.30, 6,385.97 and 1,295.78 is: 1,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.30 : 6,385.97 = 1,295.78 : x
  2. Step 2: Convert to fraction form
    4,257.30/6,385.97 = 1,295.78/x
  3. Step 3: Cross multiply
    4,257.30x = 6,385.97 × 1,295.78
  4. Step 4: Simplify right side
    4,257.30x = 8,274,773.80
  5. Step 5: Solve for x
    x = 8,274,773.80/4,257.30
  6. Step 6: Final answer
    x = 1,943.67

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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.