Home / 6,431.33-9,646.99-4,239.54

Finding the Fourth Proportional to 6,431.33, 9,646.99 and 4,239.54

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Solution

The fourth proportional to 6,431.33, 9,646.99 and 4,239.54 is: 6,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.33 : 9,646.99 = 4,239.54 : x
  2. Step 2: Convert to fraction form
    6,431.33/9,646.99 = 4,239.54/x
  3. Step 3: Cross multiply
    6,431.33x = 9,646.99 × 4,239.54
  4. Step 4: Simplify right side
    6,431.33x = 40,898,833.44
  5. Step 5: Solve for x
    x = 40,898,833.44/6,431.33
  6. Step 6: Final answer
    x = 6,359.31

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Similar ratio
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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.