Home / 5,538.72-8,308.59-2,206.16

Finding the Fourth Proportional to 5,538.72, 8,308.59 and 2,206.16

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Solution

The fourth proportional to 5,538.72, 8,308.59 and 2,206.16 is: 3,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.72 : 8,308.59 = 2,206.16 : x
  2. Step 2: Convert to fraction form
    5,538.72/8,308.59 = 2,206.16/x
  3. Step 3: Cross multiply
    5,538.72x = 8,308.59 × 2,206.16
  4. Step 4: Simplify right side
    5,538.72x = 18,330,026.34
  5. Step 5: Solve for x
    x = 18,330,026.34/5,538.72
  6. Step 6: Final answer
    x = 3,309.44

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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.