Home / 9,139.20-13,716.08-3,299.88

Finding the Fourth Proportional to 9,139.20, 13,716.08 and 3,299.88

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Solution

The fourth proportional to 9,139.20, 13,716.08 and 3,299.88 is: 4,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139.20 : 13,716.08 = 3,299.88 : x
  2. Step 2: Convert to fraction form
    9,139.20/13,716.08 = 3,299.88/x
  3. Step 3: Cross multiply
    9,139.20x = 13,716.08 × 3,299.88
  4. Step 4: Simplify right side
    9,139.20x = 45,261,418.07
  5. Step 5: Solve for x
    x = 45,261,418.07/9,139.20
  6. Step 6: Final answer
    x = 4,952.45

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