Home / 6,123.60-9,168.39-3,926.88

Finding the Fourth Proportional to 6,123.60, 9,168.39 and 3,926.88

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Solution

The fourth proportional to 6,123.60, 9,168.39 and 3,926.88 is: 5,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.60 : 9,168.39 = 3,926.88 : x
  2. Step 2: Convert to fraction form
    6,123.60/9,168.39 = 3,926.88/x
  3. Step 3: Cross multiply
    6,123.60x = 9,168.39 × 3,926.88
  4. Step 4: Simplify right side
    6,123.60x = 36,003,167.32
  5. Step 5: Solve for x
    x = 36,003,167.32/6,123.60
  6. Step 6: Final answer
    x = 5,879.41

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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.