Home / 7,352.64-11,029.91-2,422.78

Finding the Fourth Proportional to 7,352.64, 11,029.91 and 2,422.78

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Solution

The fourth proportional to 7,352.64, 11,029.91 and 2,422.78 is: 3,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.64 : 11,029.91 = 2,422.78 : x
  2. Step 2: Convert to fraction form
    7,352.64/11,029.91 = 2,422.78/x
  3. Step 3: Cross multiply
    7,352.64x = 11,029.91 × 2,422.78
  4. Step 4: Simplify right side
    7,352.64x = 26,723,005.66
  5. Step 5: Solve for x
    x = 26,723,005.66/7,352.64
  6. Step 6: Final answer
    x = 3,634.48

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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.