Home / 9,192.30-13,784.40-3,643.80

Finding the Fourth Proportional to 9,192.30, 13,784.40 and 3,643.80

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Solution

The fourth proportional to 9,192.30, 13,784.40 and 3,643.80 is: 5,464.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.30 : 13,784.40 = 3,643.80 : x
  2. Step 2: Convert to fraction form
    9,192.30/13,784.40 = 3,643.80/x
  3. Step 3: Cross multiply
    9,192.30x = 13,784.40 × 3,643.80
  4. Step 4: Simplify right side
    9,192.30x = 50,227,596.72
  5. Step 5: Solve for x
    x = 50,227,596.72/9,192.30
  6. Step 6: Final answer
    x = 5,464.09

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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.