Home / 7,850.61-11,777.06-2,654.73

Finding the Fourth Proportional to 7,850.61, 11,777.06 and 2,654.73

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Solution

The fourth proportional to 7,850.61, 11,777.06 and 2,654.73 is: 3,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.61 : 11,777.06 = 2,654.73 : x
  2. Step 2: Convert to fraction form
    7,850.61/11,777.06 = 2,654.73/x
  3. Step 3: Cross multiply
    7,850.61x = 11,777.06 × 2,654.73
  4. Step 4: Simplify right side
    7,850.61x = 31,264,901.22
  5. Step 5: Solve for x
    x = 31,264,901.22/7,850.61
  6. Step 6: Final answer
    x = 3,982.48

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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.