Home / 8,786.70-13,176-2,862.63

Finding the Fourth Proportional to 8,786.70, 13,176 and 2,862.63

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Solution

The fourth proportional to 8,786.70, 13,176 and 2,862.63 is: 4,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.70 : 13,176 = 2,862.63 : x
  2. Step 2: Convert to fraction form
    8,786.70/13,176 = 2,862.63/x
  3. Step 3: Cross multiply
    8,786.70x = 13,176 × 2,862.63
  4. Step 4: Simplify right side
    8,786.70x = 37,718,012.88
  5. Step 5: Solve for x
    x = 37,718,012.88/8,786.70
  6. Step 6: Final answer
    x = 4,292.63

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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.