Home / 5,538.22-8,310.15-3,457.78

Finding the Fourth Proportional to 5,538.22, 8,310.15 and 3,457.78

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Solution

The fourth proportional to 5,538.22, 8,310.15 and 3,457.78 is: 5,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.22 : 8,310.15 = 3,457.78 : x
  2. Step 2: Convert to fraction form
    5,538.22/8,310.15 = 3,457.78/x
  3. Step 3: Cross multiply
    5,538.22x = 8,310.15 × 3,457.78
  4. Step 4: Simplify right side
    5,538.22x = 28,734,670.47
  5. Step 5: Solve for x
    x = 28,734,670.47/5,538.22
  6. Step 6: Final answer
    x = 5,188.43

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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.