Home / 7,745.30-11,614.40-2,479.29

Finding the Fourth Proportional to 7,745.30, 11,614.40 and 2,479.29

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Solution

The fourth proportional to 7,745.30, 11,614.40 and 2,479.29 is: 3,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.30 : 11,614.40 = 2,479.29 : x
  2. Step 2: Convert to fraction form
    7,745.30/11,614.40 = 2,479.29/x
  3. Step 3: Cross multiply
    7,745.30x = 11,614.40 × 2,479.29
  4. Step 4: Simplify right side
    7,745.30x = 28,795,465.78
  5. Step 5: Solve for x
    x = 28,795,465.78/7,745.30
  6. Step 6: Final answer
    x = 3,717.80

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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.