Home / 7,322.35-10,104.40-4,489.73

Finding the Fourth Proportional to 7,322.35, 10,104.40 and 4,489.73

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Solution

The fourth proportional to 7,322.35, 10,104.40 and 4,489.73 is: 6,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.35 : 10,104.40 = 4,489.73 : x
  2. Step 2: Convert to fraction form
    7,322.35/10,104.40 = 4,489.73/x
  3. Step 3: Cross multiply
    7,322.35x = 10,104.40 × 4,489.73
  4. Step 4: Simplify right side
    7,322.35x = 45,365,995.54
  5. Step 5: Solve for x
    x = 45,365,995.54/7,322.35
  6. Step 6: Final answer
    x = 6,195.55

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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.