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Finding the Fourth Proportional to 6,422.82, 8,866.98 and 3,770.22

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Solution

The fourth proportional to 6,422.82, 8,866.98 and 3,770.22 is: 5,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.82 : 8,866.98 = 3,770.22 : x
  2. Step 2: Convert to fraction form
    6,422.82/8,866.98 = 3,770.22/x
  3. Step 3: Cross multiply
    6,422.82x = 8,866.98 × 3,770.22
  4. Step 4: Simplify right side
    6,422.82x = 33,430,465.34
  5. Step 5: Solve for x
    x = 33,430,465.34/6,422.82
  6. Step 6: Final answer
    x = 5,204.95

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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.