Home / 7,489.36-11,235.26-3,330.80

Finding the Fourth Proportional to 7,489.36, 11,235.26 and 3,330.80

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Solution

The fourth proportional to 7,489.36, 11,235.26 and 3,330.80 is: 4,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.36 : 11,235.26 = 3,330.80 : x
  2. Step 2: Convert to fraction form
    7,489.36/11,235.26 = 3,330.80/x
  3. Step 3: Cross multiply
    7,489.36x = 11,235.26 × 3,330.80
  4. Step 4: Simplify right side
    7,489.36x = 37,422,404.01
  5. Step 5: Solve for x
    x = 37,422,404.01/7,489.36
  6. Step 6: Final answer
    x = 4,996.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.