Home / 7,484.85-11,221.11-2,982.36

Finding the Fourth Proportional to 7,484.85, 11,221.11 and 2,982.36

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Solution

The fourth proportional to 7,484.85, 11,221.11 and 2,982.36 is: 4,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.85 : 11,221.11 = 2,982.36 : x
  2. Step 2: Convert to fraction form
    7,484.85/11,221.11 = 2,982.36/x
  3. Step 3: Cross multiply
    7,484.85x = 11,221.11 × 2,982.36
  4. Step 4: Simplify right side
    7,484.85x = 33,465,389.62
  5. Step 5: Solve for x
    x = 33,465,389.62/7,484.85
  6. Step 6: Final answer
    x = 4,471.08

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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.