Home / 8,717.75-13,076.14-5,113.33

Finding the Fourth Proportional to 8,717.75, 13,076.14 and 5,113.33

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Solution

The fourth proportional to 8,717.75, 13,076.14 and 5,113.33 is: 7,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.75 : 13,076.14 = 5,113.33 : x
  2. Step 2: Convert to fraction form
    8,717.75/13,076.14 = 5,113.33/x
  3. Step 3: Cross multiply
    8,717.75x = 13,076.14 × 5,113.33
  4. Step 4: Simplify right side
    8,717.75x = 66,862,553.57
  5. Step 5: Solve for x
    x = 66,862,553.57/8,717.75
  6. Step 6: Final answer
    x = 7,669.71

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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.