Home / 8,717.58-13,077.18-5,012.64

Finding the Fourth Proportional to 8,717.58, 13,077.18 and 5,012.64

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Solution

The fourth proportional to 8,717.58, 13,077.18 and 5,012.64 is: 7,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.58 : 13,077.18 = 5,012.64 : x
  2. Step 2: Convert to fraction form
    8,717.58/13,077.18 = 5,012.64/x
  3. Step 3: Cross multiply
    8,717.58x = 13,077.18 × 5,012.64
  4. Step 4: Simplify right side
    8,717.58x = 65,551,195.56
  5. Step 5: Solve for x
    x = 65,551,195.56/8,717.58
  6. Step 6: Final answer
    x = 7,519.43

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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.