Home / 6,619.42-9,134.74-3,635.30

Finding the Fourth Proportional to 6,619.42, 9,134.74 and 3,635.30

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Solution

The fourth proportional to 6,619.42, 9,134.74 and 3,635.30 is: 5,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.42 : 9,134.74 = 3,635.30 : x
  2. Step 2: Convert to fraction form
    6,619.42/9,134.74 = 3,635.30/x
  3. Step 3: Cross multiply
    6,619.42x = 9,134.74 × 3,635.30
  4. Step 4: Simplify right side
    6,619.42x = 33,207,520.32
  5. Step 5: Solve for x
    x = 33,207,520.32/6,619.42
  6. Step 6: Final answer
    x = 5,016.68

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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.