Home / 8,708.46-13,064.28-2,786.16

Finding the Fourth Proportional to 8,708.46, 13,064.28 and 2,786.16

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Solution

The fourth proportional to 8,708.46, 13,064.28 and 2,786.16 is: 4,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.46 : 13,064.28 = 2,786.16 : x
  2. Step 2: Convert to fraction form
    8,708.46/13,064.28 = 2,786.16/x
  3. Step 3: Cross multiply
    8,708.46x = 13,064.28 × 2,786.16
  4. Step 4: Simplify right side
    8,708.46x = 36,399,174.36
  5. Step 5: Solve for x
    x = 36,399,174.36/8,708.46
  6. Step 6: Final answer
    x = 4,179.75

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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.