Home / 4,227.84-6,342.57-2,120.58

Finding the Fourth Proportional to 4,227.84, 6,342.57 and 2,120.58

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Solution

The fourth proportional to 4,227.84, 6,342.57 and 2,120.58 is: 3,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.84 : 6,342.57 = 2,120.58 : x
  2. Step 2: Convert to fraction form
    4,227.84/6,342.57 = 2,120.58/x
  3. Step 3: Cross multiply
    4,227.84x = 6,342.57 × 2,120.58
  4. Step 4: Simplify right side
    4,227.84x = 13,449,927.09
  5. Step 5: Solve for x
    x = 13,449,927.09/4,227.84
  6. Step 6: Final answer
    x = 3,181.28

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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.