Home / 8,279.43-11,426.11-4,694.54

Finding the Fourth Proportional to 8,279.43, 11,426.11 and 4,694.54

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Solution

The fourth proportional to 8,279.43, 11,426.11 and 4,694.54 is: 6,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.43 : 11,426.11 = 4,694.54 : x
  2. Step 2: Convert to fraction form
    8,279.43/11,426.11 = 4,694.54/x
  3. Step 3: Cross multiply
    8,279.43x = 11,426.11 × 4,694.54
  4. Step 4: Simplify right side
    8,279.43x = 53,640,261.57
  5. Step 5: Solve for x
    x = 53,640,261.57/8,279.43
  6. Step 6: Final answer
    x = 6,478.74

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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.