Home / 8,125.43-11,213.08-4,399.43

Finding the Fourth Proportional to 8,125.43, 11,213.08 and 4,399.43

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Solution

The fourth proportional to 8,125.43, 11,213.08 and 4,399.43 is: 6,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.43 : 11,213.08 = 4,399.43 : x
  2. Step 2: Convert to fraction form
    8,125.43/11,213.08 = 4,399.43/x
  3. Step 3: Cross multiply
    8,125.43x = 11,213.08 × 4,399.43
  4. Step 4: Simplify right side
    8,125.43x = 49,331,093.48
  5. Step 5: Solve for x
    x = 49,331,093.48/8,125.43
  6. Step 6: Final answer
    x = 6,071.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.