Home / 7,747.79-11,623.17-3,305.37

Finding the Fourth Proportional to 7,747.79, 11,623.17 and 3,305.37

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Solution

The fourth proportional to 7,747.79, 11,623.17 and 3,305.37 is: 4,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.79 : 11,623.17 = 3,305.37 : x
  2. Step 2: Convert to fraction form
    7,747.79/11,623.17 = 3,305.37/x
  3. Step 3: Cross multiply
    7,747.79x = 11,623.17 × 3,305.37
  4. Step 4: Simplify right side
    7,747.79x = 38,418,877.42
  5. Step 5: Solve for x
    x = 38,418,877.42/7,747.79
  6. Step 6: Final answer
    x = 4,958.69

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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.