Home / 8,726.22-13,079.81-4,286.94

Finding the Fourth Proportional to 8,726.22, 13,079.81 and 4,286.94

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Solution

The fourth proportional to 8,726.22, 13,079.81 and 4,286.94 is: 6,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.22 : 13,079.81 = 4,286.94 : x
  2. Step 2: Convert to fraction form
    8,726.22/13,079.81 = 4,286.94/x
  3. Step 3: Cross multiply
    8,726.22x = 13,079.81 × 4,286.94
  4. Step 4: Simplify right side
    8,726.22x = 56,072,339.25
  5. Step 5: Solve for x
    x = 56,072,339.25/8,726.22
  6. Step 6: Final answer
    x = 6,425.73

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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.