Home / 4,277.19-6,422.17-2,640.59

Finding the Fourth Proportional to 4,277.19, 6,422.17 and 2,640.59

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Solution

The fourth proportional to 4,277.19, 6,422.17 and 2,640.59 is: 3,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.19 : 6,422.17 = 2,640.59 : x
  2. Step 2: Convert to fraction form
    4,277.19/6,422.17 = 2,640.59/x
  3. Step 3: Cross multiply
    4,277.19x = 6,422.17 × 2,640.59
  4. Step 4: Simplify right side
    4,277.19x = 16,958,317.88
  5. Step 5: Solve for x
    x = 16,958,317.88/4,277.19
  6. Step 6: Final answer
    x = 3,964.83

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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.