Home / 8,919.91-13,372.30-3,583.63

Finding the Fourth Proportional to 8,919.91, 13,372.30 and 3,583.63

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Solution

The fourth proportional to 8,919.91, 13,372.30 and 3,583.63 is: 5,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.91 : 13,372.30 = 3,583.63 : x
  2. Step 2: Convert to fraction form
    8,919.91/13,372.30 = 3,583.63/x
  3. Step 3: Cross multiply
    8,919.91x = 13,372.30 × 3,583.63
  4. Step 4: Simplify right side
    8,919.91x = 47,921,375.45
  5. Step 5: Solve for x
    x = 47,921,375.45/8,919.91
  6. Step 6: Final answer
    x = 5,372.41

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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.