Home / 6,422.82-8,851.05-4,556.58

Finding the Fourth Proportional to 6,422.82, 8,851.05 and 4,556.58

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Solution

The fourth proportional to 6,422.82, 8,851.05 and 4,556.58 is: 6,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.82 : 8,851.05 = 4,556.58 : x
  2. Step 2: Convert to fraction form
    6,422.82/8,851.05 = 4,556.58/x
  3. Step 3: Cross multiply
    6,422.82x = 8,851.05 × 4,556.58
  4. Step 4: Simplify right side
    6,422.82x = 40,330,517.41
  5. Step 5: Solve for x
    x = 40,330,517.41/6,422.82
  6. Step 6: Final answer
    x = 6,279.25

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Half scale
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Double scale
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Similar ratio
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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.