Home / 9,057.30-13,581.24-3,213.06

Finding the Fourth Proportional to 9,057.30, 13,581.24 and 3,213.06

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Solution

The fourth proportional to 9,057.30, 13,581.24 and 3,213.06 is: 4,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.30 : 13,581.24 = 3,213.06 : x
  2. Step 2: Convert to fraction form
    9,057.30/13,581.24 = 3,213.06/x
  3. Step 3: Cross multiply
    9,057.30x = 13,581.24 × 3,213.06
  4. Step 4: Simplify right side
    9,057.30x = 43,637,338.99
  5. Step 5: Solve for x
    x = 43,637,338.99/9,057.30
  6. Step 6: Final answer
    x = 4,817.92

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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.