Home / 5,683.29-7,845.36-3,821.37

Finding the Fourth Proportional to 5,683.29, 7,845.36 and 3,821.37

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Solution

The fourth proportional to 5,683.29, 7,845.36 and 3,821.37 is: 5,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.29 : 7,845.36 = 3,821.37 : x
  2. Step 2: Convert to fraction form
    5,683.29/7,845.36 = 3,821.37/x
  3. Step 3: Cross multiply
    5,683.29x = 7,845.36 × 3,821.37
  4. Step 4: Simplify right side
    5,683.29x = 29,979,984.12
  5. Step 5: Solve for x
    x = 29,979,984.12/5,683.29
  6. Step 6: Final answer
    x = 5,275.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.