Home / 8,156.39-11,255.84-4,620.26

Finding the Fourth Proportional to 8,156.39, 11,255.84 and 4,620.26

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Solution

The fourth proportional to 8,156.39, 11,255.84 and 4,620.26 is: 6,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.39 : 11,255.84 = 4,620.26 : x
  2. Step 2: Convert to fraction form
    8,156.39/11,255.84 = 4,620.26/x
  3. Step 3: Cross multiply
    8,156.39x = 11,255.84 × 4,620.26
  4. Step 4: Simplify right side
    8,156.39x = 52,004,827.94
  5. Step 5: Solve for x
    x = 52,004,827.94/8,156.39
  6. Step 6: Final answer
    x = 6,375.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.