Home / 8,722.28-13,079.06-3,723.86

Finding the Fourth Proportional to 8,722.28, 13,079.06 and 3,723.86

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Solution

The fourth proportional to 8,722.28, 13,079.06 and 3,723.86 is: 5,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.28 : 13,079.06 = 3,723.86 : x
  2. Step 2: Convert to fraction form
    8,722.28/13,079.06 = 3,723.86/x
  3. Step 3: Cross multiply
    8,722.28x = 13,079.06 × 3,723.86
  4. Step 4: Simplify right side
    8,722.28x = 48,704,588.37
  5. Step 5: Solve for x
    x = 48,704,588.37/8,722.28
  6. Step 6: Final answer
    x = 5,583.93

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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.