Home / 6,422.30-8,860.70-3,770.36

Finding the Fourth Proportional to 6,422.30, 8,860.70 and 3,770.36

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Solution

The fourth proportional to 6,422.30, 8,860.70 and 3,770.36 is: 5,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.30 : 8,860.70 = 3,770.36 : x
  2. Step 2: Convert to fraction form
    6,422.30/8,860.70 = 3,770.36/x
  3. Step 3: Cross multiply
    6,422.30x = 8,860.70 × 3,770.36
  4. Step 4: Simplify right side
    6,422.30x = 33,408,010.00
  5. Step 5: Solve for x
    x = 33,408,010.00/6,422.30
  6. Step 6: Final answer
    x = 5,201.88

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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.