Home / 8,125.91-11,212.61-4,540.41

Finding the Fourth Proportional to 8,125.91, 11,212.61 and 4,540.41

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Solution

The fourth proportional to 8,125.91, 11,212.61 and 4,540.41 is: 6,265.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.91 : 11,212.61 = 4,540.41 : x
  2. Step 2: Convert to fraction form
    8,125.91/11,212.61 = 4,540.41/x
  3. Step 3: Cross multiply
    8,125.91x = 11,212.61 × 4,540.41
  4. Step 4: Simplify right side
    8,125.91x = 50,909,857.92
  5. Step 5: Solve for x
    x = 50,909,857.92/8,125.91
  6. Step 6: Final answer
    x = 6,265.13

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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.