Home / 8,149.81-11,246.75-4,423.81

Finding the Fourth Proportional to 8,149.81, 11,246.75 and 4,423.81

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Solution

The fourth proportional to 8,149.81, 11,246.75 and 4,423.81 is: 6,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.81 : 11,246.75 = 4,423.81 : x
  2. Step 2: Convert to fraction form
    8,149.81/11,246.75 = 4,423.81/x
  3. Step 3: Cross multiply
    8,149.81x = 11,246.75 × 4,423.81
  4. Step 4: Simplify right side
    8,149.81x = 49,753,485.12
  5. Step 5: Solve for x
    x = 49,753,485.12/8,149.81
  6. Step 6: Final answer
    x = 6,104.86

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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.