Home / 8,084.22-11,159.82-6,287.64

Finding the Fourth Proportional to 8,084.22, 11,159.82 and 6,287.64

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Solution

The fourth proportional to 8,084.22, 11,159.82 and 6,287.64 is: 8,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.22 : 11,159.82 = 6,287.64 : x
  2. Step 2: Convert to fraction form
    8,084.22/11,159.82 = 6,287.64/x
  3. Step 3: Cross multiply
    8,084.22x = 11,159.82 × 6,287.64
  4. Step 4: Simplify right side
    8,084.22x = 70,168,930.62
  5. Step 5: Solve for x
    x = 70,168,930.62/8,084.22
  6. Step 6: Final answer
    x = 8,679.74

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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.