Home / 5,212.24-7,819.96-1,749.20

Finding the Fourth Proportional to 5,212.24, 7,819.96 and 1,749.20

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Solution

The fourth proportional to 5,212.24, 7,819.96 and 1,749.20 is: 2,624.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.24 : 7,819.96 = 1,749.20 : x
  2. Step 2: Convert to fraction form
    5,212.24/7,819.96 = 1,749.20/x
  3. Step 3: Cross multiply
    5,212.24x = 7,819.96 × 1,749.20
  4. Step 4: Simplify right side
    5,212.24x = 13,678,674.03
  5. Step 5: Solve for x
    x = 13,678,674.03/5,212.24
  6. Step 6: Final answer
    x = 2,624.34

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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.