Home / 4,239.27-6,359.99-1,317.60

Finding the Fourth Proportional to 4,239.27, 6,359.99 and 1,317.60

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Solution

The fourth proportional to 4,239.27, 6,359.99 and 1,317.60 is: 1,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.27 : 6,359.99 = 1,317.60 : x
  2. Step 2: Convert to fraction form
    4,239.27/6,359.99 = 1,317.60/x
  3. Step 3: Cross multiply
    4,239.27x = 6,359.99 × 1,317.60
  4. Step 4: Simplify right side
    4,239.27x = 8,379,916.24
  5. Step 5: Solve for x
    x = 8,379,916.24/4,239.27
  6. Step 6: Final answer
    x = 1,976.74

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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.