Home / 6,620.54-9,135.33-3,825.50

Finding the Fourth Proportional to 6,620.54, 9,135.33 and 3,825.50

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Solution

The fourth proportional to 6,620.54, 9,135.33 and 3,825.50 is: 5,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.54 : 9,135.33 = 3,825.50 : x
  2. Step 2: Convert to fraction form
    6,620.54/9,135.33 = 3,825.50/x
  3. Step 3: Cross multiply
    6,620.54x = 9,135.33 × 3,825.50
  4. Step 4: Simplify right side
    6,620.54x = 34,947,204.92
  5. Step 5: Solve for x
    x = 34,947,204.92/6,620.54
  6. Step 6: Final answer
    x = 5,278.60

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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.