Home / 7,208.72-10,819.16-2,829.26

Finding the Fourth Proportional to 7,208.72, 10,819.16 and 2,829.26

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Solution

The fourth proportional to 7,208.72, 10,819.16 and 2,829.26 is: 4,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.72 : 10,819.16 = 2,829.26 : x
  2. Step 2: Convert to fraction form
    7,208.72/10,819.16 = 2,829.26/x
  3. Step 3: Cross multiply
    7,208.72x = 10,819.16 × 2,829.26
  4. Step 4: Simplify right side
    7,208.72x = 30,610,158.99
  5. Step 5: Solve for x
    x = 30,610,158.99/7,208.72
  6. Step 6: Final answer
    x = 4,246.27

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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.