Home / 8,933.14-13,399.30-3,090.21

Finding the Fourth Proportional to 8,933.14, 13,399.30 and 3,090.21

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Solution

The fourth proportional to 8,933.14, 13,399.30 and 3,090.21 is: 4,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.14 : 13,399.30 = 3,090.21 : x
  2. Step 2: Convert to fraction form
    8,933.14/13,399.30 = 3,090.21/x
  3. Step 3: Cross multiply
    8,933.14x = 13,399.30 × 3,090.21
  4. Step 4: Simplify right side
    8,933.14x = 41,406,650.85
  5. Step 5: Solve for x
    x = 41,406,650.85/8,933.14
  6. Step 6: Final answer
    x = 4,635.17

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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.