Home / 4,290.82-6,425.22-2,972.70

Finding the Fourth Proportional to 4,290.82, 6,425.22 and 2,972.70

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Solution

The fourth proportional to 4,290.82, 6,425.22 and 2,972.70 is: 4,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.82 : 6,425.22 = 2,972.70 : x
  2. Step 2: Convert to fraction form
    4,290.82/6,425.22 = 2,972.70/x
  3. Step 3: Cross multiply
    4,290.82x = 6,425.22 × 2,972.70
  4. Step 4: Simplify right side
    4,290.82x = 19,100,262.64
  5. Step 5: Solve for x
    x = 19,100,262.64/4,290.82
  6. Step 6: Final answer
    x = 4,451.42

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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.