Home / 4,123.45-6,176.94-2,479.11

Finding the Fourth Proportional to 4,123.45, 6,176.94 and 2,479.11

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Solution

The fourth proportional to 4,123.45, 6,176.94 and 2,479.11 is: 3,713.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.45 : 6,176.94 = 2,479.11 : x
  2. Step 2: Convert to fraction form
    4,123.45/6,176.94 = 2,479.11/x
  3. Step 3: Cross multiply
    4,123.45x = 6,176.94 × 2,479.11
  4. Step 4: Simplify right side
    4,123.45x = 15,313,313.72
  5. Step 5: Solve for x
    x = 15,313,313.72/4,123.45
  6. Step 6: Final answer
    x = 3,713.71

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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.