Home / 8,883.13-12,257.31-5,105.56

Finding the Fourth Proportional to 8,883.13, 12,257.31 and 5,105.56

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Solution

The fourth proportional to 8,883.13, 12,257.31 and 5,105.56 is: 7,044.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.13 : 12,257.31 = 5,105.56 : x
  2. Step 2: Convert to fraction form
    8,883.13/12,257.31 = 5,105.56/x
  3. Step 3: Cross multiply
    8,883.13x = 12,257.31 × 5,105.56
  4. Step 4: Simplify right side
    8,883.13x = 62,580,431.64
  5. Step 5: Solve for x
    x = 62,580,431.64/8,883.13
  6. Step 6: Final answer
    x = 7,044.86

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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.