Home / 7,753.07-11,629.49-1,909.73

Finding the Fourth Proportional to 7,753.07, 11,629.49 and 1,909.73

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Solution

The fourth proportional to 7,753.07, 11,629.49 and 1,909.73 is: 2,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.07 : 11,629.49 = 1,909.73 : x
  2. Step 2: Convert to fraction form
    7,753.07/11,629.49 = 1,909.73/x
  3. Step 3: Cross multiply
    7,753.07x = 11,629.49 × 1,909.73
  4. Step 4: Simplify right side
    7,753.07x = 22,209,185.94
  5. Step 5: Solve for x
    x = 22,209,185.94/7,753.07
  6. Step 6: Final answer
    x = 2,864.57

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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.