Home / 6,743.20-10,115.43-3,459.10

Finding the Fourth Proportional to 6,743.20, 10,115.43 and 3,459.10

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Solution

The fourth proportional to 6,743.20, 10,115.43 and 3,459.10 is: 5,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.20 : 10,115.43 = 3,459.10 : x
  2. Step 2: Convert to fraction form
    6,743.20/10,115.43 = 3,459.10/x
  3. Step 3: Cross multiply
    6,743.20x = 10,115.43 × 3,459.10
  4. Step 4: Simplify right side
    6,743.20x = 34,990,283.91
  5. Step 5: Solve for x
    x = 34,990,283.91/6,743.20
  6. Step 6: Final answer
    x = 5,188.97

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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.