Home / 9,193.17-13,789.80-2,619.30

Finding the Fourth Proportional to 9,193.17, 13,789.80 and 2,619.30

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Solution

The fourth proportional to 9,193.17, 13,789.80 and 2,619.30 is: 3,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.17 : 13,789.80 = 2,619.30 : x
  2. Step 2: Convert to fraction form
    9,193.17/13,789.80 = 2,619.30/x
  3. Step 3: Cross multiply
    9,193.17x = 13,789.80 × 2,619.30
  4. Step 4: Simplify right side
    9,193.17x = 36,119,623.14
  5. Step 5: Solve for x
    x = 36,119,623.14/9,193.17
  6. Step 6: Final answer
    x = 3,928.96

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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.