Home / 5,213.84-7,819.32-1,749.20

Finding the Fourth Proportional to 5,213.84, 7,819.32 and 1,749.20

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Solution

The fourth proportional to 5,213.84, 7,819.32 and 1,749.20 is: 2,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.84 : 7,819.32 = 1,749.20 : x
  2. Step 2: Convert to fraction form
    5,213.84/7,819.32 = 1,749.20/x
  3. Step 3: Cross multiply
    5,213.84x = 7,819.32 × 1,749.20
  4. Step 4: Simplify right side
    5,213.84x = 13,677,554.54
  5. Step 5: Solve for x
    x = 13,677,554.54/5,213.84
  6. Step 6: Final answer
    x = 2,623.32

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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.