Home / 6,123.21-8,450.39-3,604.74

Finding the Fourth Proportional to 6,123.21, 8,450.39 and 3,604.74

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Solution

The fourth proportional to 6,123.21, 8,450.39 and 3,604.74 is: 4,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.21 : 8,450.39 = 3,604.74 : x
  2. Step 2: Convert to fraction form
    6,123.21/8,450.39 = 3,604.74/x
  3. Step 3: Cross multiply
    6,123.21x = 8,450.39 × 3,604.74
  4. Step 4: Simplify right side
    6,123.21x = 30,461,458.85
  5. Step 5: Solve for x
    x = 30,461,458.85/6,123.21
  6. Step 6: Final answer
    x = 4,974.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.