Home / 5,168.28-7,738.60-4,123.36

Finding the Fourth Proportional to 5,168.28, 7,738.60 and 4,123.36

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Solution

The fourth proportional to 5,168.28, 7,738.60 and 4,123.36 is: 6,174.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.28 : 7,738.60 = 4,123.36 : x
  2. Step 2: Convert to fraction form
    5,168.28/7,738.60 = 4,123.36/x
  3. Step 3: Cross multiply
    5,168.28x = 7,738.60 × 4,123.36
  4. Step 4: Simplify right side
    5,168.28x = 31,909,033.70
  5. Step 5: Solve for x
    x = 31,909,033.70/5,168.28
  6. Step 6: Final answer
    x = 6,174.01

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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.