Home / 4,422.62-6,631.68-1,954.56

Finding the Fourth Proportional to 4,422.62, 6,631.68 and 1,954.56

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Solution

The fourth proportional to 4,422.62, 6,631.68 and 1,954.56 is: 2,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422.62 : 6,631.68 = 1,954.56 : x
  2. Step 2: Convert to fraction form
    4,422.62/6,631.68 = 1,954.56/x
  3. Step 3: Cross multiply
    4,422.62x = 6,631.68 × 1,954.56
  4. Step 4: Simplify right side
    4,422.62x = 12,962,016.46
  5. Step 5: Solve for x
    x = 12,962,016.46/4,422.62
  6. Step 6: Final answer
    x = 2,930.85

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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.