Home / 6,422.19-8,862.30-3,769.44

Finding the Fourth Proportional to 6,422.19, 8,862.30 and 3,769.44

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Solution

The fourth proportional to 6,422.19, 8,862.30 and 3,769.44 is: 5,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.19 : 8,862.30 = 3,769.44 : x
  2. Step 2: Convert to fraction form
    6,422.19/8,862.30 = 3,769.44/x
  3. Step 3: Cross multiply
    6,422.19x = 8,862.30 × 3,769.44
  4. Step 4: Simplify right side
    6,422.19x = 33,405,908.11
  5. Step 5: Solve for x
    x = 33,405,908.11/6,422.19
  6. Step 6: Final answer
    x = 5,201.64

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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.