Home / 4,128.98-6,193.26-1,355.29

Finding the Fourth Proportional to 4,128.98, 6,193.26 and 1,355.29

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Solution

The fourth proportional to 4,128.98, 6,193.26 and 1,355.29 is: 2,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.98 : 6,193.26 = 1,355.29 : x
  2. Step 2: Convert to fraction form
    4,128.98/6,193.26 = 1,355.29/x
  3. Step 3: Cross multiply
    4,128.98x = 6,193.26 × 1,355.29
  4. Step 4: Simplify right side
    4,128.98x = 8,393,641.09
  5. Step 5: Solve for x
    x = 8,393,641.09/4,128.98
  6. Step 6: Final answer
    x = 2,032.86

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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.