Home / 5,717.44-8,572.80-1,819.84

Finding the Fourth Proportional to 5,717.44, 8,572.80 and 1,819.84

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Solution

The fourth proportional to 5,717.44, 8,572.80 and 1,819.84 is: 2,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.44 : 8,572.80 = 1,819.84 : x
  2. Step 2: Convert to fraction form
    5,717.44/8,572.80 = 1,819.84/x
  3. Step 3: Cross multiply
    5,717.44x = 8,572.80 × 1,819.84
  4. Step 4: Simplify right side
    5,717.44x = 15,601,124.35
  5. Step 5: Solve for x
    x = 15,601,124.35/5,717.44
  6. Step 6: Final answer
    x = 2,728.69

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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.