Home / 7,731.22-11,598.99-2,540.74

Finding the Fourth Proportional to 7,731.22, 11,598.99 and 2,540.74

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Solution

The fourth proportional to 7,731.22, 11,598.99 and 2,540.74 is: 3,811.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.22 : 11,598.99 = 2,540.74 : x
  2. Step 2: Convert to fraction form
    7,731.22/11,598.99 = 2,540.74/x
  3. Step 3: Cross multiply
    7,731.22x = 11,598.99 × 2,540.74
  4. Step 4: Simplify right side
    7,731.22x = 29,470,017.85
  5. Step 5: Solve for x
    x = 29,470,017.85/7,731.22
  6. Step 6: Final answer
    x = 3,811.82

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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.