Home / 5,027.30-7,540.12-1,329.75

Finding the Fourth Proportional to 5,027.30, 7,540.12 and 1,329.75

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Solution

The fourth proportional to 5,027.30, 7,540.12 and 1,329.75 is: 1,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.30 : 7,540.12 = 1,329.75 : x
  2. Step 2: Convert to fraction form
    5,027.30/7,540.12 = 1,329.75/x
  3. Step 3: Cross multiply
    5,027.30x = 7,540.12 × 1,329.75
  4. Step 4: Simplify right side
    5,027.30x = 10,026,474.57
  5. Step 5: Solve for x
    x = 10,026,474.57/5,027.30
  6. Step 6: Final answer
    x = 1,994.41

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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.