Home / 5,123.40-7,683.92-2,003.48

Finding the Fourth Proportional to 5,123.40, 7,683.92 and 2,003.48

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Solution

The fourth proportional to 5,123.40, 7,683.92 and 2,003.48 is: 3,004.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.40 : 7,683.92 = 2,003.48 : x
  2. Step 2: Convert to fraction form
    5,123.40/7,683.92 = 2,003.48/x
  3. Step 3: Cross multiply
    5,123.40x = 7,683.92 × 2,003.48
  4. Step 4: Simplify right side
    5,123.40x = 15,394,580.04
  5. Step 5: Solve for x
    x = 15,394,580.04/5,123.40
  6. Step 6: Final answer
    x = 3,004.76

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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.