Home / 8,697.45-13,043.07-3,149.36

Finding the Fourth Proportional to 8,697.45, 13,043.07 and 3,149.36

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Solution

The fourth proportional to 8,697.45, 13,043.07 and 3,149.36 is: 4,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.45 : 13,043.07 = 3,149.36 : x
  2. Step 2: Convert to fraction form
    8,697.45/13,043.07 = 3,149.36/x
  3. Step 3: Cross multiply
    8,697.45x = 13,043.07 × 3,149.36
  4. Step 4: Simplify right side
    8,697.45x = 41,077,257.72
  5. Step 5: Solve for x
    x = 41,077,257.72/8,697.45
  6. Step 6: Final answer
    x = 4,722.91

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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.