Home / 7,864.32-11,729.92-6,755.84

Finding the Fourth Proportional to 7,864.32, 11,729.92 and 6,755.84

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Solution

The fourth proportional to 7,864.32, 11,729.92 and 6,755.84 is: 10,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.32 : 11,729.92 = 6,755.84 : x
  2. Step 2: Convert to fraction form
    7,864.32/11,729.92 = 6,755.84/x
  3. Step 3: Cross multiply
    7,864.32x = 11,729.92 × 6,755.84
  4. Step 4: Simplify right side
    7,864.32x = 79,245,462.73
  5. Step 5: Solve for x
    x = 79,245,462.73/7,864.32
  6. Step 6: Final answer
    x = 10,076.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.