Home / 9,191.88-13,784.40-3,643.38

Finding the Fourth Proportional to 9,191.88, 13,784.40 and 3,643.38

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Solution

The fourth proportional to 9,191.88, 13,784.40 and 3,643.38 is: 5,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.88 : 13,784.40 = 3,643.38 : x
  2. Step 2: Convert to fraction form
    9,191.88/13,784.40 = 3,643.38/x
  3. Step 3: Cross multiply
    9,191.88x = 13,784.40 × 3,643.38
  4. Step 4: Simplify right side
    9,191.88x = 50,221,807.27
  5. Step 5: Solve for x
    x = 50,221,807.27/9,191.88
  6. Step 6: Final answer
    x = 5,463.71

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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.