Home / 8,173.55-11,279.16-4,636.68

Finding the Fourth Proportional to 8,173.55, 11,279.16 and 4,636.68

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Solution

The fourth proportional to 8,173.55, 11,279.16 and 4,636.68 is: 6,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.55 : 11,279.16 = 4,636.68 : x
  2. Step 2: Convert to fraction form
    8,173.55/11,279.16 = 4,636.68/x
  3. Step 3: Cross multiply
    8,173.55x = 11,279.16 × 4,636.68
  4. Step 4: Simplify right side
    8,173.55x = 52,297,855.59
  5. Step 5: Solve for x
    x = 52,297,855.59/8,173.55
  6. Step 6: Final answer
    x = 6,398.43

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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.