Home / 4,005.13-6,008.46-1,231.31

Finding the Fourth Proportional to 4,005.13, 6,008.46 and 1,231.31

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Solution

The fourth proportional to 4,005.13, 6,008.46 and 1,231.31 is: 1,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.13 : 6,008.46 = 1,231.31 : x
  2. Step 2: Convert to fraction form
    4,005.13/6,008.46 = 1,231.31/x
  3. Step 3: Cross multiply
    4,005.13x = 6,008.46 × 1,231.31
  4. Step 4: Simplify right side
    4,005.13x = 7,398,240.68
  5. Step 5: Solve for x
    x = 7,398,240.68/4,005.13
  6. Step 6: Final answer
    x = 1,847.19

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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.