Home / 4,120.46-6,174.56-2,166.74

Finding the Fourth Proportional to 4,120.46, 6,174.56 and 2,166.74

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Solution

The fourth proportional to 4,120.46, 6,174.56 and 2,166.74 is: 3,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.46 : 6,174.56 = 2,166.74 : x
  2. Step 2: Convert to fraction form
    4,120.46/6,174.56 = 2,166.74/x
  3. Step 3: Cross multiply
    4,120.46x = 6,174.56 × 2,166.74
  4. Step 4: Simplify right side
    4,120.46x = 13,378,624.43
  5. Step 5: Solve for x
    x = 13,378,624.43/4,120.46
  6. Step 6: Final answer
    x = 3,246.88

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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.