Home / 8,147.89-11,244.42-5,005.09

Finding the Fourth Proportional to 8,147.89, 11,244.42 and 5,005.09

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Solution

The fourth proportional to 8,147.89, 11,244.42 and 5,005.09 is: 6,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.89 : 11,244.42 = 5,005.09 : x
  2. Step 2: Convert to fraction form
    8,147.89/11,244.42 = 5,005.09/x
  3. Step 3: Cross multiply
    8,147.89x = 11,244.42 × 5,005.09
  4. Step 4: Simplify right side
    8,147.89x = 56,279,305.99
  5. Step 5: Solve for x
    x = 56,279,305.99/8,147.89
  6. Step 6: Final answer
    x = 6,907.23

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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.