Home / 5,214.60-7,819.52-2,251.64

Finding the Fourth Proportional to 5,214.60, 7,819.52 and 2,251.64

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Solution

The fourth proportional to 5,214.60, 7,819.52 and 2,251.64 is: 3,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.60 : 7,819.52 = 2,251.64 : x
  2. Step 2: Convert to fraction form
    5,214.60/7,819.52 = 2,251.64/x
  3. Step 3: Cross multiply
    5,214.60x = 7,819.52 × 2,251.64
  4. Step 4: Simplify right side
    5,214.60x = 17,606,744.01
  5. Step 5: Solve for x
    x = 17,606,744.01/5,214.60
  6. Step 6: Final answer
    x = 3,376.43

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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.