Home / 5,819.60-8,731.56-2,359.28

Finding the Fourth Proportional to 5,819.60, 8,731.56 and 2,359.28

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Solution

The fourth proportional to 5,819.60, 8,731.56 and 2,359.28 is: 3,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.60 : 8,731.56 = 2,359.28 : x
  2. Step 2: Convert to fraction form
    5,819.60/8,731.56 = 2,359.28/x
  3. Step 3: Cross multiply
    5,819.60x = 8,731.56 × 2,359.28
  4. Step 4: Simplify right side
    5,819.60x = 20,600,194.88
  5. Step 5: Solve for x
    x = 20,600,194.88/5,819.60
  6. Step 6: Final answer
    x = 3,539.80

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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.