Home / 7,947.86-11,923.61-2,753.73

Finding the Fourth Proportional to 7,947.86, 11,923.61 and 2,753.73

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Solution

The fourth proportional to 7,947.86, 11,923.61 and 2,753.73 is: 4,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.86 : 11,923.61 = 2,753.73 : x
  2. Step 2: Convert to fraction form
    7,947.86/11,923.61 = 2,753.73/x
  3. Step 3: Cross multiply
    7,947.86x = 11,923.61 × 2,753.73
  4. Step 4: Simplify right side
    7,947.86x = 32,834,402.57
  5. Step 5: Solve for x
    x = 32,834,402.57/7,947.86
  6. Step 6: Final answer
    x = 4,131.23

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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.