Home / 8,609.41-11,879.58-5,072.14

Finding the Fourth Proportional to 8,609.41, 11,879.58 and 5,072.14

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Solution

The fourth proportional to 8,609.41, 11,879.58 and 5,072.14 is: 6,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.41 : 11,879.58 = 5,072.14 : x
  2. Step 2: Convert to fraction form
    8,609.41/11,879.58 = 5,072.14/x
  3. Step 3: Cross multiply
    8,609.41x = 11,879.58 × 5,072.14
  4. Step 4: Simplify right side
    8,609.41x = 60,254,898.24
  5. Step 5: Solve for x
    x = 60,254,898.24/8,609.41
  6. Step 6: Final answer
    x = 6,998.72

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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.