Home / 7,388.35-11,070.27-3,222.11

Finding the Fourth Proportional to 7,388.35, 11,070.27 and 3,222.11

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Solution

The fourth proportional to 7,388.35, 11,070.27 and 3,222.11 is: 4,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.35 : 11,070.27 = 3,222.11 : x
  2. Step 2: Convert to fraction form
    7,388.35/11,070.27 = 3,222.11/x
  3. Step 3: Cross multiply
    7,388.35x = 11,070.27 × 3,222.11
  4. Step 4: Simplify right side
    7,388.35x = 35,669,655.35
  5. Step 5: Solve for x
    x = 35,669,655.35/7,388.35
  6. Step 6: Final answer
    x = 4,827.83

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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.