Home / 9,192.72-13,791.57-2,619.47

Finding the Fourth Proportional to 9,192.72, 13,791.57 and 2,619.47

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Solution

The fourth proportional to 9,192.72, 13,791.57 and 2,619.47 is: 3,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.72 : 13,791.57 = 2,619.47 : x
  2. Step 2: Convert to fraction form
    9,192.72/13,791.57 = 2,619.47/x
  3. Step 3: Cross multiply
    9,192.72x = 13,791.57 × 2,619.47
  4. Step 4: Simplify right side
    9,192.72x = 36,126,628.52
  5. Step 5: Solve for x
    x = 36,126,628.52/9,192.72
  6. Step 6: Final answer
    x = 3,929.92

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1.5x scale

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.