Home / 7,247.19-10,863.42-4,120.73

Finding the Fourth Proportional to 7,247.19, 10,863.42 and 4,120.73

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Solution

The fourth proportional to 7,247.19, 10,863.42 and 4,120.73 is: 6,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.19 : 10,863.42 = 4,120.73 : x
  2. Step 2: Convert to fraction form
    7,247.19/10,863.42 = 4,120.73/x
  3. Step 3: Cross multiply
    7,247.19x = 10,863.42 × 4,120.73
  4. Step 4: Simplify right side
    7,247.19x = 44,765,220.70
  5. Step 5: Solve for x
    x = 44,765,220.70/7,247.19
  6. Step 6: Final answer
    x = 6,176.91

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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.