Home / 8,865.88-13,299.19-2,943.29

Finding the Fourth Proportional to 8,865.88, 13,299.19 and 2,943.29

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Solution

The fourth proportional to 8,865.88, 13,299.19 and 2,943.29 is: 4,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.88 : 13,299.19 = 2,943.29 : x
  2. Step 2: Convert to fraction form
    8,865.88/13,299.19 = 2,943.29/x
  3. Step 3: Cross multiply
    8,865.88x = 13,299.19 × 2,943.29
  4. Step 4: Simplify right side
    8,865.88x = 39,143,372.94
  5. Step 5: Solve for x
    x = 39,143,372.94/8,865.88
  6. Step 6: Final answer
    x = 4,415.06

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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.