Home / 4,282.14-6,418.26-1,968.78

Finding the Fourth Proportional to 4,282.14, 6,418.26 and 1,968.78

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Solution

The fourth proportional to 4,282.14, 6,418.26 and 1,968.78 is: 2,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.14 : 6,418.26 = 1,968.78 : x
  2. Step 2: Convert to fraction form
    4,282.14/6,418.26 = 1,968.78/x
  3. Step 3: Cross multiply
    4,282.14x = 6,418.26 × 1,968.78
  4. Step 4: Simplify right side
    4,282.14x = 12,636,141.92
  5. Step 5: Solve for x
    x = 12,636,141.92/4,282.14
  6. Step 6: Final answer
    x = 2,950.89

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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.