Home / 8,519.38-12,760.61-4,127.63

Finding the Fourth Proportional to 8,519.38, 12,760.61 and 4,127.63

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Solution

The fourth proportional to 8,519.38, 12,760.61 and 4,127.63 is: 6,182.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.38 : 12,760.61 = 4,127.63 : x
  2. Step 2: Convert to fraction form
    8,519.38/12,760.61 = 4,127.63/x
  3. Step 3: Cross multiply
    8,519.38x = 12,760.61 × 4,127.63
  4. Step 4: Simplify right side
    8,519.38x = 52,670,992.21
  5. Step 5: Solve for x
    x = 52,670,992.21/8,519.38
  6. Step 6: Final answer
    x = 6,182.49

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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.