Home / 5,403.08-7,456.40-3,279

Finding the Fourth Proportional to 5,403.08, 7,456.40 and 3,279

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Solution

The fourth proportional to 5,403.08, 7,456.40 and 3,279 is: 4,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.08 : 7,456.40 = 3,279 : x
  2. Step 2: Convert to fraction form
    5,403.08/7,456.40 = 3,279/x
  3. Step 3: Cross multiply
    5,403.08x = 7,456.40 × 3,279
  4. Step 4: Simplify right side
    5,403.08x = 24,449,535.60
  5. Step 5: Solve for x
    x = 24,449,535.60/5,403.08
  6. Step 6: Final answer
    x = 4,525.11

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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.