Home / 7,766.20-11,651.06-2,835.87

Finding the Fourth Proportional to 7,766.20, 11,651.06 and 2,835.87

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Solution

The fourth proportional to 7,766.20, 11,651.06 and 2,835.87 is: 4,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.20 : 11,651.06 = 2,835.87 : x
  2. Step 2: Convert to fraction form
    7,766.20/11,651.06 = 2,835.87/x
  3. Step 3: Cross multiply
    7,766.20x = 11,651.06 × 2,835.87
  4. Step 4: Simplify right side
    7,766.20x = 33,040,891.52
  5. Step 5: Solve for x
    x = 33,040,891.52/7,766.20
  6. Step 6: Final answer
    x = 4,254.45

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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.