Home / 7,390.22-11,089.22-4,272.41

Finding the Fourth Proportional to 7,390.22, 11,089.22 and 4,272.41

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Solution

The fourth proportional to 7,390.22, 11,089.22 and 4,272.41 is: 6,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.22 : 11,089.22 = 4,272.41 : x
  2. Step 2: Convert to fraction form
    7,390.22/11,089.22 = 4,272.41/x
  3. Step 3: Cross multiply
    7,390.22x = 11,089.22 × 4,272.41
  4. Step 4: Simplify right side
    7,390.22x = 47,377,730.66
  5. Step 5: Solve for x
    x = 47,377,730.66/7,390.22
  6. Step 6: Final answer
    x = 6,410.87

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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.