Home / 6,427.50-9,641.22-2,045.31

Finding the Fourth Proportional to 6,427.50, 9,641.22 and 2,045.31

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Solution

The fourth proportional to 6,427.50, 9,641.22 and 2,045.31 is: 3,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.50 : 9,641.22 = 2,045.31 : x
  2. Step 2: Convert to fraction form
    6,427.50/9,641.22 = 2,045.31/x
  3. Step 3: Cross multiply
    6,427.50x = 9,641.22 × 2,045.31
  4. Step 4: Simplify right side
    6,427.50x = 19,719,283.68
  5. Step 5: Solve for x
    x = 19,719,283.68/6,427.50
  6. Step 6: Final answer
    x = 3,067.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.