Home / 8,717.86-13,076.79-3,170.17

Finding the Fourth Proportional to 8,717.86, 13,076.79 and 3,170.17

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Solution

The fourth proportional to 8,717.86, 13,076.79 and 3,170.17 is: 4,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.86 : 13,076.79 = 3,170.17 : x
  2. Step 2: Convert to fraction form
    8,717.86/13,076.79 = 3,170.17/x
  3. Step 3: Cross multiply
    8,717.86x = 13,076.79 × 3,170.17
  4. Step 4: Simplify right side
    8,717.86x = 41,455,647.35
  5. Step 5: Solve for x
    x = 41,455,647.35/8,717.86
  6. Step 6: Final answer
    x = 4,755.26

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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.