Home / 4,267.75-6,402.57-1,306.60

Finding the Fourth Proportional to 4,267.75, 6,402.57 and 1,306.60

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Solution

The fourth proportional to 4,267.75, 6,402.57 and 1,306.60 is: 1,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.75 : 6,402.57 = 1,306.60 : x
  2. Step 2: Convert to fraction form
    4,267.75/6,402.57 = 1,306.60/x
  3. Step 3: Cross multiply
    4,267.75x = 6,402.57 × 1,306.60
  4. Step 4: Simplify right side
    4,267.75x = 8,365,626.69
  5. Step 5: Solve for x
    x = 8,365,626.69/4,267.75
  6. Step 6: Final answer
    x = 1,960.20

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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.