Home / 8,919.28-13,372.44-3,726.64

Finding the Fourth Proportional to 8,919.28, 13,372.44 and 3,726.64

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Solution

The fourth proportional to 8,919.28, 13,372.44 and 3,726.64 is: 5,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.28 : 13,372.44 = 3,726.64 : x
  2. Step 2: Convert to fraction form
    8,919.28/13,372.44 = 3,726.64/x
  3. Step 3: Cross multiply
    8,919.28x = 13,372.44 × 3,726.64
  4. Step 4: Simplify right side
    8,919.28x = 49,834,269.80
  5. Step 5: Solve for x
    x = 49,834,269.80/8,919.28
  6. Step 6: Final answer
    x = 5,587.25

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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.