Home / 6,239.43-9,359.12-2,540.79

Finding the Fourth Proportional to 6,239.43, 9,359.12 and 2,540.79

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Solution

The fourth proportional to 6,239.43, 9,359.12 and 2,540.79 is: 3,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.43 : 9,359.12 = 2,540.79 : x
  2. Step 2: Convert to fraction form
    6,239.43/9,359.12 = 2,540.79/x
  3. Step 3: Cross multiply
    6,239.43x = 9,359.12 × 2,540.79
  4. Step 4: Simplify right side
    6,239.43x = 23,779,564.86
  5. Step 5: Solve for x
    x = 23,779,564.86/6,239.43
  6. Step 6: Final answer
    x = 3,811.18

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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.