Home / 5,128.44-7,683.39-2,357.43

Finding the Fourth Proportional to 5,128.44, 7,683.39 and 2,357.43

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Solution

The fourth proportional to 5,128.44, 7,683.39 and 2,357.43 is: 3,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128.44 : 7,683.39 = 2,357.43 : x
  2. Step 2: Convert to fraction form
    5,128.44/7,683.39 = 2,357.43/x
  3. Step 3: Cross multiply
    5,128.44x = 7,683.39 × 2,357.43
  4. Step 4: Simplify right side
    5,128.44x = 18,113,054.09
  5. Step 5: Solve for x
    x = 18,113,054.09/5,128.44
  6. Step 6: Final answer
    x = 3,531.88

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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.