Home / 6,690.20-10,035.33-2,743.61

Finding the Fourth Proportional to 6,690.20, 10,035.33 and 2,743.61

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Solution

The fourth proportional to 6,690.20, 10,035.33 and 2,743.61 is: 4,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.20 : 10,035.33 = 2,743.61 : x
  2. Step 2: Convert to fraction form
    6,690.20/10,035.33 = 2,743.61/x
  3. Step 3: Cross multiply
    6,690.20x = 10,035.33 × 2,743.61
  4. Step 4: Simplify right side
    6,690.20x = 27,533,031.74
  5. Step 5: Solve for x
    x = 27,533,031.74/6,690.20
  6. Step 6: Final answer
    x = 4,115.43

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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.