Home / 6,433.57-9,631.58-3,960.97

Finding the Fourth Proportional to 6,433.57, 9,631.58 and 3,960.97

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Solution

The fourth proportional to 6,433.57, 9,631.58 and 3,960.97 is: 5,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.57 : 9,631.58 = 3,960.97 : x
  2. Step 2: Convert to fraction form
    6,433.57/9,631.58 = 3,960.97/x
  3. Step 3: Cross multiply
    6,433.57x = 9,631.58 × 3,960.97
  4. Step 4: Simplify right side
    6,433.57x = 38,150,379.63
  5. Step 5: Solve for x
    x = 38,150,379.63/6,433.57
  6. Step 6: Final answer
    x = 5,929.89

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1.5x scale

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.