Home / 8,980.88-13,471.56-3,057.75

Finding the Fourth Proportional to 8,980.88, 13,471.56 and 3,057.75

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Solution

The fourth proportional to 8,980.88, 13,471.56 and 3,057.75 is: 4,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.88 : 13,471.56 = 3,057.75 : x
  2. Step 2: Convert to fraction form
    8,980.88/13,471.56 = 3,057.75/x
  3. Step 3: Cross multiply
    8,980.88x = 13,471.56 × 3,057.75
  4. Step 4: Simplify right side
    8,980.88x = 41,192,662.59
  5. Step 5: Solve for x
    x = 41,192,662.59/8,980.88
  6. Step 6: Final answer
    x = 4,586.71

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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.