Home / 8,238.93-12,342.91-4,074.09

Finding the Fourth Proportional to 8,238.93, 12,342.91 and 4,074.09

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Solution

The fourth proportional to 8,238.93, 12,342.91 and 4,074.09 is: 6,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.93 : 12,342.91 = 4,074.09 : x
  2. Step 2: Convert to fraction form
    8,238.93/12,342.91 = 4,074.09/x
  3. Step 3: Cross multiply
    8,238.93x = 12,342.91 × 4,074.09
  4. Step 4: Simplify right side
    8,238.93x = 50,286,126.20
  5. Step 5: Solve for x
    x = 50,286,126.20/8,238.93
  6. Step 6: Final answer
    x = 6,103.48

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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.