Home / 8,919.83-13,379.75-3,722.06

Finding the Fourth Proportional to 8,919.83, 13,379.75 and 3,722.06

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Solution

The fourth proportional to 8,919.83, 13,379.75 and 3,722.06 is: 5,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.83 : 13,379.75 = 3,722.06 : x
  2. Step 2: Convert to fraction form
    8,919.83/13,379.75 = 3,722.06/x
  3. Step 3: Cross multiply
    8,919.83x = 13,379.75 × 3,722.06
  4. Step 4: Simplify right side
    8,919.83x = 49,800,261.08
  5. Step 5: Solve for x
    x = 49,800,261.08/8,919.83
  6. Step 6: Final answer
    x = 5,583.09

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1.5x scale

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.