Home / 8,173.91-11,279.58-4,638.26

Finding the Fourth Proportional to 8,173.91, 11,279.58 and 4,638.26

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Solution

The fourth proportional to 8,173.91, 11,279.58 and 4,638.26 is: 6,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.91 : 11,279.58 = 4,638.26 : x
  2. Step 2: Convert to fraction form
    8,173.91/11,279.58 = 4,638.26/x
  3. Step 3: Cross multiply
    8,173.91x = 11,279.58 × 4,638.26
  4. Step 4: Simplify right side
    8,173.91x = 52,317,624.73
  5. Step 5: Solve for x
    x = 52,317,624.73/8,173.91
  6. Step 6: Final answer
    x = 6,400.56

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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.