Home / 4,203.45-6,306.30-1,281.75

Finding the Fourth Proportional to 4,203.45, 6,306.30 and 1,281.75

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Solution

The fourth proportional to 4,203.45, 6,306.30 and 1,281.75 is: 1,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.45 : 6,306.30 = 1,281.75 : x
  2. Step 2: Convert to fraction form
    4,203.45/6,306.30 = 1,281.75/x
  3. Step 3: Cross multiply
    4,203.45x = 6,306.30 × 1,281.75
  4. Step 4: Simplify right side
    4,203.45x = 8,083,100.03
  5. Step 5: Solve for x
    x = 8,083,100.03/4,203.45
  6. Step 6: Final answer
    x = 1,922.97

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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.