Home / 4,238.93-6,357.96-1,317.26

Finding the Fourth Proportional to 4,238.93, 6,357.96 and 1,317.26

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Solution

The fourth proportional to 4,238.93, 6,357.96 and 1,317.26 is: 1,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.93 : 6,357.96 = 1,317.26 : x
  2. Step 2: Convert to fraction form
    4,238.93/6,357.96 = 1,317.26/x
  3. Step 3: Cross multiply
    4,238.93x = 6,357.96 × 1,317.26
  4. Step 4: Simplify right side
    4,238.93x = 8,375,102.28
  5. Step 5: Solve for x
    x = 8,375,102.28/4,238.93
  6. Step 6: Final answer
    x = 1,975.76

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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.