Home / 8,717.82-13,077.81-3,173.78

Finding the Fourth Proportional to 8,717.82, 13,077.81 and 3,173.78

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Solution

The fourth proportional to 8,717.82, 13,077.81 and 3,173.78 is: 4,761.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.82 : 13,077.81 = 3,173.78 : x
  2. Step 2: Convert to fraction form
    8,717.82/13,077.81 = 3,173.78/x
  3. Step 3: Cross multiply
    8,717.82x = 13,077.81 × 3,173.78
  4. Step 4: Simplify right side
    8,717.82x = 41,506,026.43
  5. Step 5: Solve for x
    x = 41,506,026.43/8,717.82
  6. Step 6: Final answer
    x = 4,761.06

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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.