Home / 5,556.62-8,340.69-3,221.18

Finding the Fourth Proportional to 5,556.62, 8,340.69 and 3,221.18

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Solution

The fourth proportional to 5,556.62, 8,340.69 and 3,221.18 is: 4,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.62 : 8,340.69 = 3,221.18 : x
  2. Step 2: Convert to fraction form
    5,556.62/8,340.69 = 3,221.18/x
  3. Step 3: Cross multiply
    5,556.62x = 8,340.69 × 3,221.18
  4. Step 4: Simplify right side
    5,556.62x = 26,866,822.11
  5. Step 5: Solve for x
    x = 26,866,822.11/5,556.62
  6. Step 6: Final answer
    x = 4,835.11

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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.