Home / 9,137.24-13,706.34-2,896.79

Finding the Fourth Proportional to 9,137.24, 13,706.34 and 2,896.79

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Solution

The fourth proportional to 9,137.24, 13,706.34 and 2,896.79 is: 4,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.24 : 13,706.34 = 2,896.79 : x
  2. Step 2: Convert to fraction form
    9,137.24/13,706.34 = 2,896.79/x
  3. Step 3: Cross multiply
    9,137.24x = 13,706.34 × 2,896.79
  4. Step 4: Simplify right side
    9,137.24x = 39,704,433.78
  5. Step 5: Solve for x
    x = 39,704,433.78/9,137.24
  6. Step 6: Final answer
    x = 4,345.34

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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.