Home / 4,274.66-6,402.68-2,078.76

Finding the Fourth Proportional to 4,274.66, 6,402.68 and 2,078.76

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Solution

The fourth proportional to 4,274.66, 6,402.68 and 2,078.76 is: 3,113.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.66 : 6,402.68 = 2,078.76 : x
  2. Step 2: Convert to fraction form
    4,274.66/6,402.68 = 2,078.76/x
  3. Step 3: Cross multiply
    4,274.66x = 6,402.68 × 2,078.76
  4. Step 4: Simplify right side
    4,274.66x = 13,309,635.08
  5. Step 5: Solve for x
    x = 13,309,635.08/4,274.66
  6. Step 6: Final answer
    x = 3,113.61

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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.