Home / 5,235.31-7,854.33-1,725.85

Finding the Fourth Proportional to 5,235.31, 7,854.33 and 1,725.85

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Solution

The fourth proportional to 5,235.31, 7,854.33 and 1,725.85 is: 2,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.31 : 7,854.33 = 1,725.85 : x
  2. Step 2: Convert to fraction form
    5,235.31/7,854.33 = 1,725.85/x
  3. Step 3: Cross multiply
    5,235.31x = 7,854.33 × 1,725.85
  4. Step 4: Simplify right side
    5,235.31x = 13,555,395.43
  5. Step 5: Solve for x
    x = 13,555,395.43/5,235.31
  6. Step 6: Final answer
    x = 2,589.22

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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.