Home / 7,731.90-11,597.85-3,836.61

Finding the Fourth Proportional to 7,731.90, 11,597.85 and 3,836.61

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Solution

The fourth proportional to 7,731.90, 11,597.85 and 3,836.61 is: 5,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.90 : 11,597.85 = 3,836.61 : x
  2. Step 2: Convert to fraction form
    7,731.90/11,597.85 = 3,836.61/x
  3. Step 3: Cross multiply
    7,731.90x = 11,597.85 × 3,836.61
  4. Step 4: Simplify right side
    7,731.90x = 44,496,427.29
  5. Step 5: Solve for x
    x = 44,496,427.29/7,731.90
  6. Step 6: Final answer
    x = 5,754.92

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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.