Home / 5,123.03-7,694.27-3,188.75

Finding the Fourth Proportional to 5,123.03, 7,694.27 and 3,188.75

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Solution

The fourth proportional to 5,123.03, 7,694.27 and 3,188.75 is: 4,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.03 : 7,694.27 = 3,188.75 : x
  2. Step 2: Convert to fraction form
    5,123.03/7,694.27 = 3,188.75/x
  3. Step 3: Cross multiply
    5,123.03x = 7,694.27 × 3,188.75
  4. Step 4: Simplify right side
    5,123.03x = 24,535,103.46
  5. Step 5: Solve for x
    x = 24,535,103.46/5,123.03
  6. Step 6: Final answer
    x = 4,789.18

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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.