Home / 6,619.45-9,134.90-3,635.34

Finding the Fourth Proportional to 6,619.45, 9,134.90 and 3,635.34

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Solution

The fourth proportional to 6,619.45, 9,134.90 and 3,635.34 is: 5,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.45 : 9,134.90 = 3,635.34 : x
  2. Step 2: Convert to fraction form
    6,619.45/9,134.90 = 3,635.34/x
  3. Step 3: Cross multiply
    6,619.45x = 9,134.90 × 3,635.34
  4. Step 4: Simplify right side
    6,619.45x = 33,208,503.89
  5. Step 5: Solve for x
    x = 33,208,503.89/6,619.45
  6. Step 6: Final answer
    x = 5,016.81

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1.5x scale

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.