Home / 5,123.66-7,683.97-2,201.28

Finding the Fourth Proportional to 5,123.66, 7,683.97 and 2,201.28

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Solution

The fourth proportional to 5,123.66, 7,683.97 and 2,201.28 is: 3,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.66 : 7,683.97 = 2,201.28 : x
  2. Step 2: Convert to fraction form
    5,123.66/7,683.97 = 2,201.28/x
  3. Step 3: Cross multiply
    5,123.66x = 7,683.97 × 2,201.28
  4. Step 4: Simplify right side
    5,123.66x = 16,914,569.48
  5. Step 5: Solve for x
    x = 16,914,569.48/5,123.66
  6. Step 6: Final answer
    x = 3,301.27

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1.5x scale

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.