Home / 5,365.20-8,039.16-3,308.88

Finding the Fourth Proportional to 5,365.20, 8,039.16 and 3,308.88

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Solution

The fourth proportional to 5,365.20, 8,039.16 and 3,308.88 is: 4,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.20 : 8,039.16 = 3,308.88 : x
  2. Step 2: Convert to fraction form
    5,365.20/8,039.16 = 3,308.88/x
  3. Step 3: Cross multiply
    5,365.20x = 8,039.16 × 3,308.88
  4. Step 4: Simplify right side
    5,365.20x = 26,600,615.74
  5. Step 5: Solve for x
    x = 26,600,615.74/5,365.20
  6. Step 6: Final answer
    x = 4,957.99

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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.