Home / 4,239.68-6,359.46-1,317.99

Finding the Fourth Proportional to 4,239.68, 6,359.46 and 1,317.99

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Solution

The fourth proportional to 4,239.68, 6,359.46 and 1,317.99 is: 1,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.68 : 6,359.46 = 1,317.99 : x
  2. Step 2: Convert to fraction form
    4,239.68/6,359.46 = 1,317.99/x
  3. Step 3: Cross multiply
    4,239.68x = 6,359.46 × 1,317.99
  4. Step 4: Simplify right side
    4,239.68x = 8,381,704.69
  5. Step 5: Solve for x
    x = 8,381,704.69/4,239.68
  6. Step 6: Final answer
    x = 1,976.97

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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.