Home / 4,238.90-6,327.35-3,926.21

Finding the Fourth Proportional to 4,238.90, 6,327.35 and 3,926.21

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Solution

The fourth proportional to 4,238.90, 6,327.35 and 3,926.21 is: 5,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.90 : 6,327.35 = 3,926.21 : x
  2. Step 2: Convert to fraction form
    4,238.90/6,327.35 = 3,926.21/x
  3. Step 3: Cross multiply
    4,238.90x = 6,327.35 × 3,926.21
  4. Step 4: Simplify right side
    4,238.90x = 24,842,453.58
  5. Step 5: Solve for x
    x = 24,842,453.58/4,238.90
  6. Step 6: Final answer
    x = 5,860.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.