Home / 7,747.89-11,625.12-4,233.79

Finding the Fourth Proportional to 7,747.89, 11,625.12 and 4,233.79

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Solution

The fourth proportional to 7,747.89, 11,625.12 and 4,233.79 is: 6,352.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.89 : 11,625.12 = 4,233.79 : x
  2. Step 2: Convert to fraction form
    7,747.89/11,625.12 = 4,233.79/x
  3. Step 3: Cross multiply
    7,747.89x = 11,625.12 × 4,233.79
  4. Step 4: Simplify right side
    7,747.89x = 49,218,331.34
  5. Step 5: Solve for x
    x = 49,218,331.34/7,747.89
  6. Step 6: Final answer
    x = 6,352.49

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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.